Chu Chuan, a fresh graduate, accidentally rear-ended a private car during his interview and met the car owner, Yan Weiyan. The two accidentally discovered that they were netizens who had been together for four years. It happened that Yan Weiyan was being urged to get married by her family, so she asked Chu Chuan to pretend to be her boyfriend and go home. The two got along well with each other, established a relationship smoothly, and worked together to deal with all kinds of interpersonal troubles around them. The elders in the family appreciated Chu Chuan's character and fully supported him in preparing for the exam. The two of them received their certificates and lived a sweet and stable life together.