While working on a report for a television animal show about stray dogs descending from the mountains and creating chaos in an apartment complex's waste area, they encounter an enigmatic individual. This person, later referred to as the "Wild Dog Man," soon becomes a popular topic among the locals. He approaches dog trainer Lee Ji-ryong, requesting his help to "turn me into a person within half a month." Will the Wild Dog Man succeed in becoming human through Ji-ryong's guidance?!