Gaspard and Marion are madly in love and enjoying summer in the south of France... until the two teenagers stumble upon a lost cell phone. At first they playfully decide to track down the owner...But the game takes on a much somber path when they find him dead, in a mysterious suicide ceremony. Next to him, lies a half unconscious girl, Audrey. With her enigmatic tattoo and her gothic looks, she soon lures Gaspard into Black Heaven, a dangerously addictive video game.
Gaspard discovers an obscure universe, full of infinite possibilities. Creating an avatar who is miles away from him, he sets on a search for the beautiful but poisonous singer, Sam, who attracts victims in the virtual world and seduces them to commit suicide in real life. Could Sam's alter ego in the real world be Audrey? Could Gaspard be her next victim? He will have to creep further into Black Heaven to find out the terrible truth.