Two lonely people who live a life of lies agree on a marriage of convenience. Both Seyeon and Taejin are children of CEOs of conglomerates. However, Seyeon grew up abused by her stepmother. Her father turns a blind eye to the years of abuse. She sees marriage as a means to escape from them. And Taejin is a notorious playboy, he goes on that masquerade to ensure the heir-apparent to the family business is his stepbrother. Seeking a sudden marriage is part of that masquerade. But two find there's more to gain from this marriage, starting with raw sexual chemistry.