A troubled college student becomes obsessed with a fantasy roleplaying game. When he and his friends go to a cave to play in atmospheric surroundings, he loses touch with reality completely, becoming convinced that his imaginary adventures are real and being driven to self-destructive acts. Drama, starring Tom Hanks and Wendy Crewson.

Bound together by a desire to play "Mazes and Monsters," Robbie and his four college classmates decide to move the board game into the local cavern. Robbie loses his mind, and the line between reality and fantasy fuse into a harrowing nightmare.