In San Francisco, professional football quarter back Paul Talbot is the target of an extortion scheme. The extortionist breaks into Talbot's home to demonstrate he's capable of harming the athlete's family. The FBI, under the supervision of Erskine and Colby, keeps watch as Talbot drops off the extortion money. But Talbot interrupts the bureau's surveillance, punching out the accomplice of the extortionist. The criminal vows to kill Talbot while he's playing in the championship game.