Designer Pei Xu takes leave to return to his hometown and serve as a best man at a wedding. However, his female colleague, Meng Qi, calls him 47 times in a row to hurl insults at him and falsely accuses him of failing to hand over his work. When he returns to the city, he discovers that Meng Qi has been using his email account without permission and changing the attribution on his project proposals. Faced with repeated attempts to shift the blame onto him and an escalating project crisis, Pei Xu preserves the evidence, reassures the client, and leads his team in rescuing the project. He makes those who steal credit and shirk responsibility face the consequences, while protecting the boundaries between his work and personal life.