A rich woman Tseung Tin Ngor's beloved dog Woody has got behaviour problems since Ngor is being kidnapped. After released, Ngor takes Woody for various medical treatments but none of them is helpful to cure its illness. Desperate Ngor finally finds Lai Tsun Sing, a retired police canine officer, who has just opened a kennel in the walled village. Ngor asks Sing to give Woody training but it creates discord between both