After waking up with mysterious wounds on his hands, a champion fighter finds himself in an otherworldly battle against evil forces that wreak havoc in the human world.

Koo Seo Jin reaches an all-time low when he uses his power as a theme park director to decommission Wonderland's popular circus. Refusing to give into the demands of her frosty boss, ringleader Jang Ha Na puts up a fight, but is thrown off guard when Seo Jin's secret persona reveals itself with genuine kindness. In the battle to save her circus, Ha Na realizes she must tease out Seo Jin's brighter side with magic, wonder and love, but who's listening — Jekyll or Hyde?

A skilled Korean archer goes up against the mighty force of Manchus with the sole purpose of rescuing his kidnapped sister.