Li Chun'e established a filial piety fund. She was falsely accused of 'filial piety PUA' by intern Chen Baobao. Her apprentice, Lin Yu, colluded with director Zhang Ping to incite workers, forcing Li Chun'e to hand over the factory. The factory lost orders and faced investigations. She proved her innocence, uncovering Lin Yu's crimes of embezzling funds and stealing formulas. Villains were brought to justice. The factory revitalized, improved welfare, and won trust.