Qiao Ko Fung and Lai Mei Ka are a successful couple in Tong Kwun whose separation requires a new nanny to look after their troublesome son Qiao Pak Go, whose misbehavior discourages a babysitter at any price. Hearing of the situation, the boy's grandfather interviews for the new position... as a woman. Hilarity and high-flying action ensue in the outrageous comedy, proving that the family that kicks together, stays together!