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……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?