In order to save the man she loves from jail, Mathilde takes his place by helping his break-out. While she exclusively relies on him to survive in this prison setting, Mathilde has not heard from him since her imprisonment. Isolated, with her son as her only support, she is now identified by the inmate number 383205-B. Will Mathilde become a convict like any other one?

Following the success of his first feature “Django”, Étienne Comar confronts with “Singing Jailbirds” the life in a prison for women with music and its capacity to unite people and a repertoire of international songs.

All is not what it seems when Lucy and Dane conspire a breakout from their mythical island cells.