Alone is the story of Emile Sheron, a man who wakes up, trapped in a room with no doors or windows, and no memory of his past. Haunted by vague flashes of his former self, he attempts to escape but is constantly thwarted by the head of the K209 experiment, Dr. Maureen Shelby. Watched closely under the eye of the young Dr. Thompson, Emile must find a way to get back to his family and find out why he is being held captive.