When Han Seo-yeon agrees to a Christmas Eve marriage contract with the coldest billionaire in Seoul, Kwon Min-joon, all she wants is to save her family. But what was supposed to be a simple, two-week business transaction spirals into a dangerous game of hearts and secrets.
Trapped in a luxurious penthouse and forced to play the part of a doting wife, Seo-yeon finds herself falling for the haunted man beneath the ruthless facade. But Min-joon's coldness isn't just a part of the act-it's a fortress built to protect a devastating secret about his past, his lost love, and his most dangerous rival.
As the fake marriage turns shockingly real, Seo-yeon must decide if she can heal the broken man who holds her fate in his hands, or if his quest for revenge will destroy them both.