To thoroughly investigate a major steel resale scandal, Lin Shuxue, the new factory director, conceals her identity and goes undercover to investigate. She plans to reveal who she is before the province-wide procurement conference and help her husband secure a promotion on his own merits. However, while delivering the official seal, she catches him in an intimate relationship with his apprentice, Shen Xiaoli. She also discovers that the two have altered warehouse dispatch records to resell allocated steel and pocket kickbacks. Keeping her emotions in check, Lin Shuxue secretly gathers all the evidence. At the procurement conference, where Zhou Xuyang is expecting his promotion, she publicly reveals her identity as factory director, removes the corrupt insiders, turns the struggling factory around, and reclaims her career and dignity.