在这部姐妹同行喜剧片中,Pierrick仍然处在自己哥哥突然去世带来的打击当中没有恢复，于是接受了他最好的朋友Tessa的邀请，到她的老家房子里住上一个星期寻求内心平静。不过Pierrick刚到家里却发现房子里已经住着Tessa的同父异母的姐姐Marie，Marie也正在此处为爱情受挫而疗伤。两人相处的第一个晚上便喝的酩酊大醉，而第二天更是迎来了不期而至的Tessa，三人的同居经历了各种啼笑皆非的事故与尴尬，而各自内心隐藏的秘密也慢慢揭发出来......
Pierrick has just lost his brother. He accepts the invitation of his best friend Tessa in his family house, to spend there one week only to think about his life. But he discovers upon his arrival Marie's presence, half sister of Tessa, come recover from a loving wound. After a drinking party and Tessa's unexpected arrival itself, the situation is going to reveal unexpected revelations...
