Alternative history: 12 K-dramas that asked ‘what if...’

The what if: what if Korea remained a constitutional monarchy?

Most historical dramas revisit the past. The King: Eternal Monarch imagines an alternate present. In this version of reality, the Korean monarchy survives into the modern era, complete with an emperor, royal guards and a palace operating alongside contemporary technology and politics. Lee Min-ho’s Emperor Lee Gon occupies a world that feels both familiar and strangely altered, creating one of the most ambitious alternative history premises in Korean television. Rather than recreating a specific historical era, the series explores the long shadow of history itself, asking how modern Korea might look if one of the nation’s most significant political transformations had never occurred. The result is part fantasy, part science fiction and part thought experiment about national identity.

The what if: what if a modern woman became entangled in one of Korea’s most turbulent royal successions?

Set during the reign of King Taejo, founder of the Goryeo Dynasty, Moon Lovers incorporates real historical princes and succession conflicts while introducing a fictional outsider who experiences those events firsthand. IU’s Hae Soo serves as the audience’s surrogate, navigating a court where history has already been written but remains unknowable to the people living through it. The drama’s alternate-history appeal comes from its tension between historical inevitability and personal intervention. Viewers know that certain princes will rise and fall, yet the series constantly teases the possibility that one person might somehow change the outcome. Lavishly produced and emotionally devastating, it remains one of the most ambitious attempts to merge historical drama with speculative fiction.

The what if: what if a king were secretly replaced by his look-alike?

Inspired by the same premise that fueled the film Masquerade, The Crowned Clown transforms a classic political fantasy into a gripping exploration of leadership and legitimacy. Yeo Jin-goo plays both a volatile monarch and the humble performer recruited to impersonate him, creating a fascinating dual portrait of power. Although the drama draws inspiration from the reign of King Gwanghae, it quickly departs into speculative territory, imagining how a fundamentally decent man might govern differently if given access to the throne. The series asks one of history’s oldest questions: does power corrupt people, or do people transform power? Its answer unfolds through palace conspiracies, shifting loyalties and the increasingly dangerous consequences of a deception that was never meant to last.

The what if: what if the fate of a dynasty depended less on kings and more on the woman trying to keep its princes alive?

While Under the Queen’s Umbrella unfolds within a recognisably Joseon-inspired court, much of its royal family is fictional, allowing the series to reimagine palace politics from an unusually intimate perspective. Rather than centring military campaigns or royal decrees, the drama focuses on education, succession, motherhood and the exhausting labour required to keep a royal household functioning. Kim Hye-soo’s Queen Im Hwa-ryeong operates less like a ceremonial consort and more like a political strategist constantly extinguishing crises. The plot feels like an alternate version of history where the people traditionally pushed to the margins of historical records suddenly become the protagonists.  

The what if: what if one of Joseon's most famous royal love stories were told from the perspective of the woman who refused to surrender her independence?

Unlike many entries on this list, The Red Sleeve is rooted in real historical figures. Crown Prince Yi San would eventually become King Jeongjo, one of Joseon’s most respected monarchs, while Seong Deok-im was a documented court lady who genuinely existed. Yet history records only fragments of their relationship. The drama steps into those silences, imagining the emotional realities hidden behind official chronicles. Instead of presenting royal romance as wish fulfilment, it asks a more complicated question: what might it have felt like to be loved by one of the most powerful men in the kingdom? By prioritising Deok-im’s perspective, the series subtly reframes a familiar historical narrative, transforming a royal love story into an exploration of autonomy, sacrifice and the personal costs of proximity to power.

The what if: what if a widowed princess disappeared into ordinary life?

Built around the real Joseon-era custom of bossam—the practice of wrapping and carrying away widows for remarriage—the drama takes a fascinating historical footnote and spins it into an alternate royal narrative. Jung Il-woo’s Ba Woo is a rough-edged survivor operating on the margins of society, while Kwon Yu-ri’s Princess Hwa-in occupies the opposite end of the social hierarchy. Their accidental encounter creates a collision between commoner life and palace politics, allowing the series to imagine what might happen if a royal figure escaped the structures designed to contain her. The drama excels at exploring class divisions often overlooked in traditional sageuk, offering a version of history where ordinary people exert surprising influence over events. 

See more: 5 historical (sageuk) K-drama classics to watch: Hwarang, Mr Queen

The what if: what if the legendary Princess Pyeonggang was less a fairy-tale royal and more a warrior determined to reshape her kingdom?

The tale of Princess Pyeonggang and On Dal has existed in Korean folklore for centuries, usually told as a romantic legend about a princess who marries an unlikely commoner. River Where the Moon Rises takes that familiar story and dramatically expands it into a sweeping political epic with a bit of alternative history. Here, Pyeonggang becomes a military strategist and political actor whose ambitions extend far beyond romance. The series uses folklore as a launching pad rather than a limitation, imagining the untold battles, conspiracies and statecraft that might surround a legendary figure. By transforming a well-known story into something larger and more politically charged, the drama demonstrates how K-dramas often engage with history—not by reproducing it exactly, but by interrogating the possibilities hidden within it.

The what if: what if a Joseon-era man disguised himself as a widow to uncover a political conspiracy?

Historical dramas have long enjoyed asking what happens when people occupy identities they were never meant to have, and The Tale of Nokdu embraces that premise with infectious energy. Based on a popular webtoon, the series combines romance, comedy and palace intrigue through an inherently improbable set-up: a young man hiding in plain sight within a community closed to men. While the central premise is entirely fictional, the drama situates its story within real Joseon political tensions and succession anxieties. It is a playful reimagining of history where disguise becomes a tool for exposing the fragility of power itself. Beneath the comedy lies a surprisingly thoughtful examination of class, gender expectations and the elaborate performances that often underpin political life.

The what if: what if Joseon’s most elusive vigilante was a noble widow no one bothered to notice?

Few historical dramas with alternative history have weaponised social invisibility as effectively as Knight Flower. Set in the Joseon period, the series revolves around a woman who has spent years performing the role expected of her: quiet, obedient and virtually invisible. By night, however, she becomes something entirely different. She turns into a masked figure navigating rooftops, exposing corruption and intervening in situations where official authority has failed. The drama’s alternate-history appeal comes from its reimagining of who gets to become a hero. Historical records overwhelmingly favour kings, officials and military leaders; Knight Flower imagines the possibility that some of the most consequential figures might have existed beyond the reach of official chronicles. It is less interested in rewriting major events than in imagining the extraordinary lives history may have overlooked.

The what if: what if a Joseon-era lawyer challenged the powerful using the law itself?

Legal dramas are usually associated with modern courtrooms, but Joseon Attorney transports the genre into the past and, in doing so, creates a fascinating historical thought experiment. Woo Do-hwan’s Kang Han-soo begins as a man driven largely by personal vengeance, exploiting legal loopholes and manipulating cases to advance his own agenda. Yet as he encounters people failed by the system, his motivations begin to evolve. The series imagines a version of Joseon where legal advocacy becomes a vehicle for social change, marrying historical institutions with storytelling conventions more commonly found in contemporary legal dramas. It asks viewers to consider how concepts of justice, accountability and public service might look when transplanted into a world defined by rigid hierarchy and inherited privilege. In doing so, it turns history into something unexpectedly modern. 

The what if: what if a modern chef suddenly found herself cooking for a royal court?

Like Mr Queen, Bon Appétit, Your Majesty derives much of its appeal from the collision between modern sensibilities and historical institutions. Food becomes the vehicle through which contemporary ideas enter a rigid royal world, transforming meals into instruments of diplomacy, influence and survival. While the setting draws heavily from familiar historical Korean court traditions, the drama embraces fantasy as a way of asking how knowledge from another era might reshape political and social relationships. It ends up part palace drama, part culinary adventure and part historical thought experiment. Beneath the lavish banquets and court intrigue lies a simple question that many alternate-history dramas share: how much can one outsider change when dropped into the machinery of the past?

See more: The true story about the fictional king in ‘Bon Appétit, Your Majesty’

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