Min Soo (Kim Dong-yoon) is a gay men. Hyo Jin (Ryu Hyun-kyung) is a lesbian and lived with her girlfriend. They are doctors at the general hospital.
They pretended to get married together because Min Soo wants to hide his secret from his parents and Hyo Jin wants to legally adopt a 10-year-old girl. Everything is changing when Min Soo falls in love with another guy.