There are four people who want to become an actor. Their names are Hun, Eun, Jun, and Kyung. After watching the play [QUARTET]. They decide to participate in an acting workshop. They are trained by Mirae, the renowned actor of the [QUARTET]. Through the workshop sessions, Mirae is able to look into the inner lives of the four youths.

Same-sex couple Eun-soo and Ye-won are living together happily. One day, a terrible traffic accident occurs and Eun-soo is seriously injured and her sister Eunhae dies. Eun-soo is disabled and Eunhae's daughter Soo-min became an orphan. Now Eun-soo and Ye-won are in a position to take charge of Soo-min.