America in the Roaring 20s. On the surface, it's a positive, peaceful time after the violence of the Great War. But lurking in the shadows is a dark element ready to snatch that peace away. Sister Rosette...

Baek Mu-gyui falls in love with the daughter of his enemy, Maehwa. Together they leave behind their clans only to find that war has broken out since their departure. Hoping to end this war, they return together...