In San Francisco, the successful self-made businessman Walter Williams has just bought three factories in Denver with the approval of the board of directors. His beloved wife Irene tells him that she is not feeling well enough to travel with him, and asks Walter to give a lift to her cousin Jim Torrance. On the highway, Jim, who is actually Irene’s lover, tries to kill Walter hitting his head and throwing him off a cliff, and has a fatal fiery accident while escaping driving Walter’s car. Walter is believed to be the driver and later his wife is sent to jail accused of plotting his murder. Meanwhile, the wounded Walter falls asleep in a moving van and eventually winds up in Larkspur, a small town in Idaho. He is hired as a mechanic in a gas station by the owner, Marsha Peters. For three months, Walter reads the news, expecting revenge with Irene sentenced to death, and he and Marsha fall in love for each other. When Walter discloses the truth to Marsha, she convinces him to return to San Francisco and save his unfaithful wife. The situation changes when Irene accuses him of plotting to kill her lover Jim, and Walter has to prove his innocence.
Walter Williams (Brian Donlevy) is a take-charge captain of industry who has worked his way up in a San Francisco steel company from a position as a sheet metal worker. He loves his wife Irene (Helen Walker) very much and they have planned a vacation drive together. Irene cancels at the last minute claiming a toothache, but asks that Walter drive her cousin Jim Torrance (Tony Barrett) as far as Illinois. Walter agrees and he and Jim take off together but later Jim knocks Walter unconscious and takes the car only to be hit himself by a truck and killed, his body burned beyond recognition. Walter comes to and suffering a concussion and deep confusion from feeling betrayed by Irene hides out in a small Midwest town until guilt and peer pressure force him to go back to San Francisco and tell his story to the Police. But by the time Walter returns to San Francisco a clever detective Lieutenant Quincy (Charles Coburn) has uncovered some facts about Irene and her cousin' Jim. The police have been holding Irene for the murder of her husband Walter but release her considering that Walter was hiding out because he had killed Jim. Along the way to uncovering the truth in Court Walter realizes some hard fact about what he holds valuable and the trust he has put in those around him.