A football coach, under pressure from alumni, tries to make a success out of a dysfunctional college team. He recruits a freshman running back who ignites a love triangle with a fellow team member and his girlfriend.
Cole Trickle, a young stock-car driver, has talent but no idea how to hone his skills. Veteran racer Harry Hodge is hired to build a car for Trickle and to instill in the hot-shot driver a winning philosophy so he can compete at the top level.
Deep-sea rescue divers are plagued by a mysterious force while probing a nuclear submarine crash. Meanwhile, the crew suspect the accident was caused by an extraterrestrial craft, and that they may be participating in an encounter with an alien species.