Anna and Matheo's relationship is all but perfect when she meets Malik. Anna is confused about her sexuality and Malik's commitment issues are harboured by loyalty. La théorie du y is about how they find their way to live life through experiences, friendship and love.
At a bachelorette party, Charlotte finally reunites with her old friends. Mouths stay shut like the oysters these women are busy opening. But as shells shatter and hands are torn, truth rises to the surface.
