Lt. Grant investigates when a supposedly burglarproof safe is broken into and robbed.
A member of a wealthy family receives an extortion note.
A crossword puzzle contains a valuable clue to the solution of a murder.
A businessman finds himself the victim of a blackmail plot involving a woman with whom he ate dinner.
The setting shifts from New York to the hinterlands of Mexico as Lt. Grant pursues the smugglers who murdered the estranged husband of a gift shop owner.
The police probe a strange cult at the request of the sister of one of its members.
The continued blowing of a car horn awakens most of a neighborhood. Then it's discovered that a young woman's dead body leaning against the horn is the cause of the noise.
A seemingly frivolous woman gets herself involved in a murder.
A jockey finds himself in a love triangle with the wife of his boss. Things get even more complicated when she turns up murdered.
A man carrying a large sum of cash and valuable jewels purchases a life insurance policy at the airport seemingly minutes before he's scheduled to board an airplane. Hours later the man's dead body is discovered in an alleyway near a hotel.
A phony newspaper sent to a couple reminds them of an event they would rather forget.
Responding to a call, police find a reportedly empty house that's filled with people.
A college student mysteriously disappears shortly after a clock on campus mysteriously chimes thirteen times.
A baby found in the basement of a house located in a resort town holds the key to a murder committed there.
A down on his luck man finds a wallet filled with money. Needless to say, this discovery also brings him a load of trouble.
Lt. Grant investigates when a scheming blonde woman turns up murdered.
Lt. Grant tracks a prison escapee from New York to California's Mojave Desert.
In order to catch a Lover's Lane bandit, Lt. Grant mans a stakeout post there.
The murderer of a cigarette girl apparently used a nearly perfect disguise.
A murder has apparently been committed by a woman in a deep hypnotic trance.
Cornered by the police, a gang of robbers takes a little girl hostage.
Lt. Grant heads up the investigation into the murder of a confidence man.
Lt. Grant searches for a missing derelict in the skid row area of the city.
Lt. Grant investigates the murder of a gambler who made one wager too many.
Lt. Grant receives a frantic phone call from a famous artist that someone wants to kill him. Upon arrival at the man's home the detective finds that someone has accomplished the task.
A couple flees to Nevada without repaying a debt to a crime syndicate. Lt. Grant tries to track them down before the Mob does.
Lt. Grant investigates when stolen fur coats are sold at an auction house.
A woman flees the scene of a murder committed by her angel eyed boyfriend and takes refuge in the apartment of a man who bears a strong resemblance to Bart Maverick. The man soon finds himself being held hostage by "Angel Eyes" and brother Bret won't be coming to his rescue.
The only clue in the disappearance of an ex-serviceman's wife is a charm bracelet found in a pawnshop.
Lt. Grant tries to discover the true identity of a hot chick who's suffering from amnesia and gets himself up to his eyelids in mistaken identity and attempted murder.