Dirty lawyer Zhong Da had a blind date with a lovely single girl Jin Hao. Unconfident boy Xiaogu lives in a happy family and falls in a unrequited love on Jin Hao. The two men accidentally exchange the body and family to each other fantastically. Then many funny and weird events take place. How can the two exchange everything back? 交换人生?我真想交换电影票看别的...。中年的浑浊和少年的迷惘,你选哪个?。又臭又长。感恩这部电影,让我意识到生命中最珍惜的是家庭。难看到我注册账号来吐槽。还是想替交换人生说两句。《交换人生》,求你先交换剧本……。真正的喜剧,都饱含着生活的艰辛。“喂,要不要一起吃火锅啊?”。虽然交换不了人生,但有我们共同的影子。 如果交换人生会交换家人,你还愿意吗?仲达(雷佳音 饰)与金好(张小斐 饰)相亲后,意外和暗恋金好的少年陆小谷(张宥浩 饰)换身,并误打误撞交换了家人,开启了令人捧腹有笑有泪的奇“换”之旅……