Han Fei, daughter of the group's chairman, hides her identity and becomes an intern to fulfill her promise to start from the grassroots. Faced with workplace injustice and unreasonable charges, she stands by her principles, calmly gathers evidence, and gradually uncovers the truth behind the misconduct while helping more newcomers defend their rights. In the end, the problems are thoroughly investigated and the relevant systems are comprehensively rectified. She proves through her abilities that true confidence comes from standing firm on one's principles, and that everyone must work together to uphold fairness and justice!