Synopsis：Jea becomes pregnant with the child of Young-gi, a married man, and faces a decision that will change her life. Unable to give up her baby, she makes an unexpected proposal to her childhood friend, Gu-in. Unable to refuse, he agrees to become her fake husband and the father of the child. What begins as an absurd agreement turns into a true love story as they raise the baby together. But everything gets complicated when Kyung-ah, Young-gi's wife, discovers the truth. Between secrets, conflicts and unexpected emotions, their chaotic love story takes an unpredictable turn.