朝气蓬勃的岳母家生活

　　一对老友在公路旅行中被困沙漠，屡次求助无门酷暑难挡使他们暴力相向。

After an eccentric billionaire creates a drug called INOC which stops the aging process effectively eliminating death itself, the future of a world where death no longer exists is seen. Through a seemingly harmless children's toy, the story of the fate of mankind is told while also revealing an elusive truth to its unknowing spectator.

　　富豪洪飞虎（古天乐 饰）因怪病找到峨嵋派掌门王凤（郑秀文 饰），她对飞虎的生性傲慢毫无好感，于是用尽各种奇怪的方法治疗飞虎。王凤的师姐李莫愁（李冰冰 饰）突然出现，并扬言要铲除峨嵋派。未免伤及无辜，王凤尽快医好了飞虎。知道了王凤的恶作剧之后，飞虎愤然离开了。　　为了与师姐决战，王凤急需练好“伤心断肠剑”，但从未经历伤心之苦的她 无法领悟“百年好合”这一招式的要领，王凤在众人的劝说下决定求助与飞虎。飞虎不计前嫌，用尽办法让王凤伤心，练好招式。王凤又能否成功？