An outlaw gang hanged by a posse in the late 1880s comes back from the grave to terrorize the descendants of the posse's leader.

A profile of the astronauts, crew, and civilians who were involved in the January 28, 1986 flight of the spaceship, Challenger, that resulted in its explosion upon takeoff. The center point of the film is the safety inspections and arguments surrounding the use of the o-rings that ultimately were blamed for the explosion.