Mei Nu is planning to take her vows and become a nun, yet when her identical twin brother receives an offer to join a famous boy band, she's asked to temporarily take his place. Thinking it's the only way to reunite with their mother, Mei Nu disguises herself as her twin, Mei Nan. But band leader Huang Tai Qing isn't happy about this new member to the band. When he discovers her secret, how will she convince him to let her stay?