Japan is renowned as a suicide nation where around 80 people daily and 30,000 people annually commit suicide. 13 years ago, Fumie (Aska Kurosawa (' A Snake of June' by Shinya Tsukamoto, 'Cold Fish' by Sion Sono)) lost her daughter who committed suicide as a result of being bullied at her school. After the ordeal, Fumie, together with his son, returned to her parents' home in the mountainous area, to create an organization called 'Heartbeat.' She pursues to rescue people with suicide attempts. Fumie who supports them while living in a communal life is also experiencing her sorrow and emotional conflicts through the loss of her own daughter. One day, a man who is attempting to commit suicide calls Fumie. The man who is rescued by her takes violent and insolent attitudes. Fumie feels anxious but takes him back home. That night, an unexpected situation hits her...