Gu Shi and Qian Xiaoqiong are a pair of college lovers. They quickly fell in love and lived together during school, but the two young people were constantly involved in accidents and misunderstandings. Finally, after a "fatal" misunderstanding, Qian Xiaoqiong went to Australia... Six years later, Xiaoqiong had a son, Xiaotian, and Gu Shi had a girlfriend. The old lovers met again unexpectedly at their best friend's wedding. Xiaotian, who had no worries about food and clothing but lacked fatherly love, became extremely curious about Gu Shi. The little devil Xiaotian started to assist all the way, and a hilarious "kiss" comedy with all kinds of tricks is about to be staged...