Song Zhinuan appears on the surface to be an ordinary food stall vendor at the school gate, but she is actually the godmother of the three fearsome overlords of Longcheng. After catching her husband Lin Da and scheming woman Xu Rong in an illicit affair, their daughter's asthma attack is triggered during the argument. Anxious to take her to the hospital, Song Zhinuan faces joint obstruction and cruel harassment from her lover, husband, and mother-in-law. Ultimately, with the help of her three godsons, Song Zhinuan personally tears open her lover's shocking scam, and sends the malicious lover, husband, and wicked mother-in-law behind bars.