Plot Summary
Marshal O'Niel's assigned to a mining colony on Io, one of Jupiter's moons. He soon encounters miners who are dying, due to use of an illegal amphetamine. O'Niel follows the trail, and now O'Niel must watch his back, as he's now their target.—Derek O'Cain
Top Cast
Sean Connery as -Marshal William T. O'Niel
Peter Boyle as -Mark B. Sheppard
John Ratzenberger as -Tarlow
Steven Berkoff as -Sagan