After World War I, a war hero returns to Berlin to find that there's no place for him--he has no skills other than what he learned in the army, and can only find menial, low-paying jobs. He decides to become a gigolo to lonely rich women.

幽默风趣的爱情喜剧，三个年青医生常开道（刘陆华）、史瑞科（刘尚谦）、萧而可（李修贤）被安排追求院长的三个女儿——唐玲珍（萧瑶）、唐玲珊（陈思佳）、唐玲玲（妞妞）。三人以「剪刀、石头、布」的猜拳方式来决定追求对象。各出奇谋，碰到一鼻子灰，鸳鸯错配，于是再重新分配，依然是乌龙百出。喜剧中的追女桥段层出不穷，用尽英雄救美、苦肉计、死缠烂打等爱情药方，却全部失灵。三人焦头烂额，重整旗鼓，与敌展开爱人争夺战。最后，他们都找到真正的爱情妙方，勇取芳心，就是……

When flesh-eating piranhas are accidently released into a summer resort's rivers, the guests become their next meal.