Ryoichi has turned his back on contemporary society, choosing to live a secluded and self-reliant existence on a snowy mountain. From this remote location, he dispatches explosive packages to the heads of corporations and television networks. His solitary life takes a turn when he stumbles upon an enigmatic being in the woods. That evening, he is visited by the ghost of his older brother, who had taken his own life. This spectral presence leads Ryoichi through a doorway, revealing the hidden truths about his family.