Born on the street, Lenny was forced to part with her mother by an ignorant human being. Soon after she was abandoned and taken back to the road. Fortunately, she was saved, and lived in temporary shelters til she met her present butler. Lenny's butler and documentary film director, Hee-seop, who was tired of city life, decides to take the camera to tell the story of various cat butlers who are practising "coexistence" in their own ways, different from his own.