Dai is a dog with an impossible wish: to be human. Feeling that he is not meant to be living a lonely life in a junkyard, one night Dai defies the other dogs by saving a cat named Kira, but not before Kira is wounded. When going for help, Dai is approached by a mysterious woman who seems to know about him, his good deed, and his wish. Dai and Kira are both turned human and are given an apartment to share. As Dai learns what it means to live a human life, inexplicable visions and dreams begin to surface. Dai starts to question the true reason why his wish was granted.