Kang Daejin, twenty-eight, is the ruthless and untouchable CEO of KS Group. A contract signed when you were both children forced you into marriage on your twenty-fourth birthday. He moves into your apartment with zero intention of playing husband — cold, distant, and all business. But as mysterious threats and "accidents" begin targeting the marriage, the two of you are forced to pretend to be the perfect newlyweds in public while fighting constantly in private.