Sonny Koufax is 32 years old. He's a law school graduate. He's got a nice apartment in Manhattan. There's just one problem. He does nothing, except sit on his butt and live off an investment that was the result of a meager lawsuit he won a year ago. But after his fed up girlfriend leaves him, he comes up with the ingenious idea to adopt a five year old boy to showcase his newfound maturity. But things don't go as planned, and Sonny finds himself the unlikely foster father that will change his perspective on just looking out for himself. 不明白这电影怎么会得到7分以上的高评价。Sunny, 法学院幼齿少年终长成。好酷的老爸。没有哪个男人天生就是好爸爸。当你人生中发生重大转折的时候。《冒牌老爸》2018.06.17。幽默温情的喜剧~。亚当.桑德勒的生活经。需要契机。loser一步成熟的意淫。 索尼（亚当•桑德勒 饰）今年已经32岁了，可是为人缺乏责任感，因为他由衷想逃避所有成年人应该承担的责任。正是因为这个原因，她的女友云妮决定要离开他。索尼感到很无奈，眼看自己的朋友也都全部成家立业了，自己的女友也离开了自己，他便觉得压力更大了。 他突发奇想，要到收养5岁小孩朱利。天真的索尼认为这样便能让云妮回心转意，于是他向福利处撒谎说自己是朱利的生父并顺利的收养了朱利。但云妮心意已决，索尼终究没有赢回云妮的心，但面对已经收养了的朱利，他只好尝试与之相处了。 但的确是一种责任，索尼必须每天都要面对索尼种种小孩子的行为，导致笑料百出。但渐渐，他似乎又习惯了这种责任，开始乐在其中……
