
Psychology student Scott and his friends Joe and Suzie are attending university in Brighton. Scott comes in contact with Rich Bitch via chatroom. When they meet in person, she's a fellow student named Charlie who seduces and beds him before vanishing.
The flatmates begin playing the computer game Killer Net. Scott plans the perfect murder and chooses Charlie as his victim. When she's found murdered, Scott is arrested and he learns the game's methods mirror real life.