每一年，餐馆老板马克思（弗朗索瓦·克鲁塞 Fran?ois Cluzet 饰）都会请他的朋友们来到他在海边的别墅度假，而这一年的假期，却被一场发生在卢多（让·杜雅尔丹 Jean Dujardin 饰）身上的严重车祸蒙上了阴影。为了冲淡悲伤，朋友们决定像往常一样前往海边。 文森特（伯努瓦·马吉梅 Beno?t Magimel 饰）的心情非常沉重，他发现他对自己同性好友马克思的爱意随着时间的流逝愈演愈烈，已经到了无法掩饰的地步，但事实是，他们均已结婚生子。玛丽（玛丽昂·歌迪亚 Marion Cotillard 饰）也不轻松，她身边围绕着一群她并不喜欢的男人，真正爱着的，却是此刻躺在病床上生命垂尾的前男友卢多，并且，在这个节骨眼上，她发现自己有了身孕。一向对自己的魅力充满自信的安东尼（Laurent Lafitte 饰）却被劈腿，表面上豁达的他却不能克制的...
The finale to the Bull Shark trilogy as a family of Bull Sharks faces off against a small Texas lake community.
When Dakota tries to break off her toxic relationship with Axel, it starts transforming him into a monstrous creature. He gradually succumbs to the poison of the decaying relationship, becoming a creature with increased aggression, a touch that melts skin and worst of all, he's contagious.
