While filming a TV animal program about feral dogs tearing up an apartment complex’s trash area, the crew stumbles upon a mysterious man living among them…who just so happens to be the boss of a gang of loan sharks. With no one able to train the man-beast, he is brought to Lee Jiryong: star dog trainer in a heap of debt. In exchange for bringing their boss back to form, the sharks promise to eliminate all of his debt. Jumping at the opportunity, Jiryong takes it on…only to find out that this wild “canine” companion has both bite and bark alike.