Data's new dream program begins to show disturbing images.
Data begins to experience a strange new phenomenon, dreaming. His dreams are vivid and disturbing, and they seem to include some of his crewmates, including a surreal version of Counselor Troi and an image of Sigmund Freud. Data tries to find out what the dreams mean, and whether they are a sign of a malfunction.
The story is partly comic and partly horrifying, with an odd and memorable dream sequence. It has a mystery that ties in with the ship's systems, and the solution is surprising. The episode uses its surreal premise to explore Data's inner life, and it features some unforgettable images. It is one of the most unusual stories of the seventh season.