Jiang Yuan is the chairman of a corporate group, yet he conceals his identity and infiltrates one of his own subsidiaries as an intern, pretending to be a lazy slacker. Secretly, he gathers evidence of corruption against department supervisor Zhou Hu, veteran employee Wu Li, and general manager Xu Maolin. Through a series of clever counterattacks, he exposes layer upon layer of wrongdoing. Finally, he reveals his true identity in front of everyone and brings the entire corrupt group to justice, securing justice for all the employees they have bullied.