Wealthy couple Jonathan and Jennifer Hart, a self-made millionaire and his journalist wife, moonlight as amateur detectives.
Episodes
Hit Jennifer Hart
After extending her hospitality to a young author claiming to be a distant cousin, Jennifer experiences a series of near fatal accidents.
Passport to Murder
The Harts south-of-the-border boating holiday turns Jonathan and Jennifer into desperate fugitives, on the run from Mexican police and a gang of drug dealers.
Jonathan Hart Jr.
A young boy shows up at the Harts gate in the middle of the night claiming to be Jonathan Hart, Jr. The child proves to be the unwitting pawn in his biological father's criminal plot.
Death in the Slow Lane
The Harts become involved in the world of espionage when Jonathan purchases an antique car for Jennifer. A mysterious jet-setting couple will stop at nothing to acquire the classic auto.
You Made Me Kill You
A deranged woman who works for Hart Industries has an obsession for Jonathan. She sees Jennifer as a threat to her fantasies of love and finds it essential to eliminate her.
Murder Between Friends
When a prominent lawyer is murdered, two close friends of the Harts are accused. Jennifer sets out to clear the wife while Jonathan attempts to absolve the husband.
Cop Out
An article written by Jennifer leads a prostitute to ask for her help and the Harts go under cover to bait a killer who is murdering prostitutes.
Max in Love
The Hart home is stripped of everything. It looks like an inside job and all clues point to Max's new love. When Max is framed for murder, the Harts intervene.
A New Kind of High
A Hart Industries chemist is shot and the Harts suspect a female scientist who has discovered a powerful new narcotic. Jennifer and Jonathan find themselves in a weather chamber subjected to brutal and swift changes in temperatures.
With This Gun, I Thee Wed
The Harts are invited to the wedding of Jonathan's former girlfriend in Monte Carlo. She is being forced into a marriage to a power-hungry, ruthless, blackmailer. The Harts uncover the truth and help foil the wedding plans allowing Nikki to marry the man she really loves.
The Man with the Jade Eyes
A dying man gives Jonathan and Jennifer an ancient Buddha statue. The Harts are then thrown into intrigue and danger when they are pursued by Chinese henchmen and a diabolic giant.
Color Jennifer Dead
Jennifer has her protrait done as a gift to Jonathan for their anniversary. When the young artist is murder, the Harts mingle in the high-society art world where Jennifer becomes the target of a shady art speculator.
A Question of Innocence
The Harts suspect a college fencing champion of being behind a murderous drug ring. Jonathan fights a razor-sharp duel with the sadistic student.
Night Horrors
The Harts are invited to a unique, off-beat party -- a treasure hunt at a haunted house. When another guest is murdered, the Harts race against time to find the murderer before someone else becomes victim.
Which Way, Freeway?
Freeway runs away with a gun used to murder a wealthy neighbor. The Harts get involved in capturing the killer and intercepting a multi-million dollar jewelery shipment.
Downhill to Death
Intrigue in Vail lead Jonathan and Jennifer into the midst of severe bizarre murder plot, including an electrifying scheme against them.
The Raid
The Harts are asked to ransom two scientist employed by Hart Industries when they are kidnapped in South America. When Jonathan, Jennifer, and Max, they wind up mounting a mid-night raid against the wealthy and powerful kidnapper.
Sixth Sense
The Harts have a deadly encounter when they enter the mysterious world of psychic phenomena. A Hart Industies employee with amazing powers of ESP, a twin sister, and a wealthy grandfather, becomes the target of a deranged killer.
Does She, or Doesn't She?
The Harts uncover a scheme designed to blackmail wealthy patrons of a beauty salon.
Cruise at Your Own Risk
The Harts take a luxurious cruise on a Hart Industries liner to investigate a series of jewel thefts. They find themselves at the mercy of the jewel thieves' rival burglars.
Too Many Cooks Are Murder
The menu features murder when the Harts take a gourmet cooking class. The Harts vie with an unscrupulous financier for a recipe which might benefit the world.
Death Set
The Harts are caught up in a tangled scheme when a wealthy playboy attempts to take over the family fortune using his brother's wife as his unknowing pawn.
Top Cast
Robert Wagner
Jonathan Hart
Stefanie Powers
Jennifer Hart
Lionel Stander
Max