Song Xuanxuan lived a carefree life because he made a love speed dating software and sold it to a marriage network group when he was in college, but the group boss William Li especially wanted Song Xuanxuan to come over to help him, and also asked his assistant Wang Meijia to lobby Song Xuanxuan many times, but Xuanxuan said he would not do anything. On an extremely ordinary night, Song Xuanxuan and his good buddy Tian Bobo went home after drinking, Tian Bobo fell asleep, but Song Xuanxuan was struck by lightning, which changed the entire fate of the two of them. Song Xuanxuan met Yue Lao, who threatened him to go back alive, and if he wanted to find his girlfriend, he had to help him complete the task - to pull the red thread for the lovers in the world to pull 99 pairs. Since then, Song Xuanxuan, with the help of Tian Bobo, has begun a long and dangerous matchmaking mission.