To the world, she's a scandal-plagued singer, and he's a heartless CEO. In a desperate contract to save their reputations, Han Eun-mi and Lee Jae-hwan agree to a marriage of convenience, sealed in the sterile confines of his office. But their perfect ruse unravels when an unseen enemy starts leaking their most vulnerable moments.

Trapped in a luxurious apartment that feels more like a prison, they must pretend to be madly in love while searching for the ghost who holds the power to destroy them both. The more they lie, the more they realize their biggest threat isn't the public—it's the real feelings they're starting to catch.