Auto repair expert Lin Daqiang returned to the Lin family after being apart for thirty-seven years. He diligently propped up the factory, yet received only a 250-yuan year-end bonus and suffered public humiliation and false accusations. After his heart died, he joined forces with auto parts queen President Su to launch a counterattack, and also teamed up with orphanage younger brother Engineer Chen to start a business together, exposing the Lin family's corruption scam, holding core technology to pioneer chain auto repair, and completely ending the favoritism and reliance on the Lin family.