Years ago, the Taelons came to Earth, offering friendship and technology to humanity. But there are those who believe the Taelons have more sinister motives.

Three teenage boys in small-town Southern Ontario are thrilled when Luke Cooper, a mysterious American fugitive with a gunshot wound in his leg, decides to crash their secret hideout. Luke tells them that he's a cop on the run from corrupt colleagues, and swears them to silence. As he recuperates, he becomes their buddy and confidante. By the time the boys realize Luke is not who he pretends to be, they're in way over their heads

While Chappy Sinclair is saddled with a bunch of misfits and delinquents for his flight school, he turns to his protégé Doug Masters to assist him in rounding them into shape for an important competition. During their training, they stumble upon a group of subversive air force officers who are dealing in toxic waste as a sideline.

When a dark force begins to destroy a couple's happiness, they decide to turn to a parapsychologist who discovers that the husband is possessed by a demon.