由《初吻》的原班人马拍摄的续集。小薇长大了两岁,较前成熟,她在旅游返家途中因调换护照而认识了一个中学生,两人逐渐发生了感情。与此同时,小薇的父母各自发展事业,曾祖母也有了第二春,婷婷玉立的小薇面临是否要初尝禁果的抉择……Two years after the first "Boum", Vic - now 15 and a half years old - has a very calm love life, actually no boyfriend at all. Her parents are happily together again, Grandma Poupette thinks about finally marring her long-term boyfriend. But then Vic meets Philippe and is overcome by his charm. She's in heaven again and considers going all the way this time - a step, that her girlfriend Penelope already has taken.