The fifth and last of the Ben Schwab productions starring Bill Elliott as a L.A. sheriff's department detective begins with Henry Johnson being sought by the sheriff's office for the murder of his neighbor and friend,Fred Horner, whose strangled body was found in Johnson's motel apartment. Lieutenant Andy Doyle of the Los Angeles sheriff's department learns that Johnson had been an avid card-playing gambler, and had frequently argued violently with the deceased. Trailing Johnson's fiancée, Mary Raikin, the police capture Johnson, who insists he did not kill Horner, but fled in panic when he discovered Johnson's body in his room after an absence of only a few minutes. It is discovered that a wealthy tenant of an adjacent motel, Bradbury, bears a resemblance to the murdered man, and in order to set him up as a decoy, Doyle suggests the Bradbury spread the word he is leaving for his home the next day. That night, the real killer,Pat Orvello, sneaks into Bradbury's room to rob him, but is shot and captured by Doyle and his men. Earlier, the robber/killer had mistaken the neighboring motels, killed the wrong man in his robbery attempt, and had left the body in Johnson's room.
The fourth of five Ben Schwab productions that starred Bill Elliott as a detective lieutenant in the L.A. Sheriff's department has Steve Nordstrom being released from prison after serving a sentence for a dance-hall assault on Carl Fowler for insulting Steve's girlfriend Harriet Owens. Steve is given time off for good behavior and is out on probation thanks to the efforts on his behalf by Lieutenant Andy Doyle. One night, after taking a truck-driving job, Steve is waylaid by the revengeful Fowler and is savagely beaten, causing him to lose his memory. Wandering aimlessly around, he meets genial businessman Morton Ramsey who hires him to work around his house as a handyman. Ramsey's wife Claire is having an affair and is planning to have her husband murdered, and sees an opportunity to frame Steve for the murder. He plan works, and all the evidence is against the memory-clouded Steve when Ramsey is found dead.
The third of five films (Dial Red-O, Sudden Danger, Calling Homicide, Footsteps in the Night and Chain of Evidence in release order and released across a full period of two years) in which Bill Elliott played a detective lieutenant (Andy Flynn in the first one, Doyle in the others) in the Los Angeles homicide department) with all five produced by Ben Schwab but a different director on each one. Lieutenant Andy Doyle of the Los Angeles Sheriff;s homicide department, while investigation the mysterious dynamiting death of a young policeman, discovers that the strangling-murder of Francine Norman, owner of a modeling school, is linked with the first killing. While questioning those connected with the school, manager Darlene Adams, and executives Allen Gilmore and Tony Fuller, Lt. Doyle and his aide, Detective Sergeant Mike Duncan, find there is a blackmailing 'baby racket' being run in conjunction with the school. Suspicion points to construction company owner Jim Haddix who had been in love with Francine. All evidence of the baby extortion racket is destroyed by an explosion, and the hunt narrows down to one man, the school handyman.
A woman who heads a sportswear manufacturing company is found dead. Although it is ruled a suicide, the police detective in charge believes she was murdered, and his subsequent investigation begins to focus on the woman's son, who was blinded by her in an accident several years before.