The game tells the story of 31-year-old Patrick Kalman, who lost his entire family under mysterious circumstances - his parents died a brutal death, and his sister suddenly disappeared for unknown reasons.
The trauma of losing loved ones destroyed Patrick's psyche and turned his own apartment into a prison for him. Patrick's only surviving family member is his sister, who disappeared more than 10 years ago. One day Patrick receives a phone call and the voice on the phone seems to belong to his sister. This voice announces her return - several years after her disappearance.
The entire incident forces Patrick to shatter his previous life of isolation, opening himself up to nightmarish experiences bordering on madness.