 No-nonsense San Francisco industrial whiz Walter Williams s two-timing wife and her lover plot to do her husband in, but Williams survives the attack and the lover is burned beyond recognition while driving Williams s car. Half-dazed, Williams stumbles into a moving van that takes him to idyllic Larkspur, Idaho, where newspaper stories of his "death" jog his memory. While recuperating and plotting his eventual return and revenge, Williams falls in love with Marsha, an auto mechanic. But when Williams finally gets back to San Francisco, he s tried for the lover s murder.