Underwater deep-sea miners encounter a Soviet wreck and bring back a dangerous cargo to their base on the ocean floor with horrifying results. The crew of the mining base must fight to survive against a genetic mutation that hunts them down one by one.
Sherlock Holmes is as dashing as ever, but with a little secret: Dr. Watson is the brains behind the operation. When Reginald Kincaid, the actor he has hired to play Holmes becomes insufferable, Watson fires him and tries to go out on his own, but finds that he has done too good a job building Holmes up in the public's mind.
Two rebellious youths, Ralph and Scott, find themselves struggling with adulthood as the Vietnam War rages. Feeling trapped in their small town, Scott battles with his conservative veteran father, Cliff, and Ralph deals with his desperately sexual mother, Ev. When tragic news arrives from overseas, the entire town, inspired by Ralph and Scott's antiwar efforts, reevaluates its attitude toward the war.
