For the past four years, San Francisco cop Jack Cates has been after an unidentified drug kingpin who calls himself the "Ice Man". Jack finds a picture that proves that the Ice Man has put a price on the head of Reggie Hammond, who is scheduled to be released from prison on the next day.
During the Cold War, Soviet agents watch Professor Henry Jones when a young man brings him a coded message from an aged, demented colleague, Henry Oxley. Led by the brilliant Irina Spalko, the Soviets tail Jones and the young man, Mutt, to Peru. With Oxley's code, they find a legendary skull made of a single piece of quartz. If Jones can deliver the skull to its rightful place, all may be well; but if Irina takes it to its origin, she'll gain powers that could endanger the West...
Vietnam vet Frank Vega now runs an East L.A. community center where he trains young boxers to survive in and out of the ring. But when his prize student falls in with the wrong crowd and turns up dead, Frank teams up with his pal Bernie to take matters into their own fists and prove that justice never gets old.