Ward Costello

Two police officers, the older Lt. Stone and the young upstart Inspector Keller, investigate murders and other serious crimes in San Francisco. Stone would become a second father to Keller as he learned the rigors and procedures of detective work.

The Soviets have developed a revolutionary new jet fighter, called 'Firefox'. Worried that the jet will be used as a first-strike weapon—as there are rumours that it is undetectable by radar—the British send ex-Vietnam War pilot, Mitchell Gant on a covert mission into the Soviet Union to steal the Firefox.