For Vicky, happiness is total: her parents finally prefer her unbearable big sister Rebecca, she goes out with James, handsome young man promised her a better future, and family barbecue late summer allows it to (!) show her unabashed success in the face of all the neighbors. As for Jenny, she knows a double happiness with Jean-muscular Franky and with nice Hugo, she has all the attention. Karine, she has a new passion and not a boy: her band is about to be signed by a major producer, but for that it must first raise the morale Albin, leader training, which is in a deep depression since the tragic events of the summer. But life is cruel and fragile happiness, especially when they cheat with her own feelings. Fortunately there is still friendship.