Chan is a simple music producer, working hard during the day until late at night. He never has paid much attention to the world around him, as he is content with how he is living. He regularly meets up with his friends, who are all in the entertainment business. He has a happy and care-free life, and he has nothing to worry about. One night, Chan finds a cat in a dark alley, taking it home to care for it. At first, the cat seems like any normal cat, but one day, the cat changes into a human. Chan is shocked. Was that even possible? Was he dreaming? -- Hyunjin has been a cat for years, and he almost doesn't remember if he had ever lived a different life. He lives on the street, surviving as a cat and trying to hide his ability to change between a human and a cat. When a young guy takes him home after he got injured, his life starts to change. He begins to feel comfortable with being a human for the first time, and he tries to start a new life as a young man. The past holds many secrets and mysteries, and Chan and Hyunjin each have their own. What they don't know, is that they were destined to meet again.