Online celebrity Yi Han accidentally "blackmails" the manicurist girl Pei Youyou, whose mind is full of buying a house. The two quite different people have to sign a marriage contract under the butterfly effect of a long-planned sneak shot incident. In the meanwhile, they gradually attract each other from interfering with each other. Unexpectedly, their contract leaks out, and a long-planned conspiracy is slowly uncovered. Yi Han's career encounters an unprecedented crisis. What is uncovered at the same time is Yi Han's sincerity to Pei Youyou.

Tong Nian is a genius 19-year-old student with high IQ and low EQ, who is also a famous anime cosplay person and sings well. She’s falls in love at first sight with Han Shang Yan, who is a game genius in the e-sports world and never pays attention to the girls.