Tatsuo Sato quits his job and roams around aimlessly, trying to escape from his painful past. Tatsuo Sato then meets Takuji Oshiro (Masaki Suda) at a pachinko parlor. They strike up a friendship and Tatsuo goes with Takuji to his home. Takuji's home is located along the beach, but the home is a rundown shack.
There, Takuji lives with his ill father, ambivalent mother and older sister Chinatsu (Chizuru Ikewaki). Tatsuo sees something special with Chinatsu. A light shines there despite the oppressive atmosphere that surrounds their situation.