A friend of Jonathan Hart's is killed in a motor accident just after he has left a health farm, apparently committing suicide. There was no warning of him being troubled so the Harts go undercover to find out what happened at the farm.

When Jonathan breaks up a semi-slavery ring, the manager running it sends a hit man to pretend to be Jennifer's cousin and terminate her.

A yacht trip becomes dangerous when one of the Harts' guests is blackmailed into running drugs.

An innocent woman is blackmailed by her ex-husband into using their son to extort money from Jonathan.

When Jonathan buys Jennifer a gorgeous old car for her birthday, she is less than thrilled -- but two Brits seem suspiciously eager to take it off her hands.

A young woman (Kathleen Lloyd) working at Hart Industries becomes obsessed with her boss, Jonathan and mimics Jennifer's appearance to replace her.

Two of the Harts' friends are suspects in the murder of a famous divorce attorney -- and they aren't answering Jennifer's and Jonathan's questions.

When a prostitute is murdered, one of Jennifer's former sources asks her to investigate.

Max has met a lovely woman who seems to enjoy his company also -- but she's part of a theft ring that cleaned out the Harts.

Two chemists at one of Jonathan's subsidiaries have developed a new hallucinogen, and their supervisor is killed when he tries to report them to Jonathan.

The Harts receive a last-minute invitation to the wedding of Jonathan's old girlfriend and discover she is being forced into the marriage.

A man collapses at the Harts' restaurant table and asks them to protect the man with jade eyes and take him to the temple.

The man who was painting Jennifer's portrait dies, supposedly while driving drunk, but the Harts don't believe the official explanation.

The old woman who runs the newsstand in Jonathan's building is being blackmailed for a murder she may not have committed.

At the haunted house recently purchased by the Harts' 'weird' friends Fred and Amanda, a dinner party turns into a deadly treasure hunt.

Freeway's got a new girlfriend, and when her master is killed, Freeway disappears with the gun -- but doesn't have it when he gets home.

When Jennifer overhears an acquaintance and his mistress planning to murder his wife on the ski slopes, she and Jonathan jet off to Vail to prevent it -- but are they too late to save her on the ski trail?

When a researcher is kidnapped in a South American country by an old adversary of Jonathan's, he undertakes to personally deliver the ransom and ensure the safety of the researcher and his pregnant wife.

A precognitive young woman sees herself being murdered, but it is her unknown twin sister who turns up dead.

Hairdresser Barry styles the hair of the creme de la creme. But when his clients wind up blackmailed to pay Barry's loan shark, can the Harts help Barry break free before someone else winds up dead?

A diamond theft on a cruise ship owned by Jonathan leads the Harts to join the cruise ship to catch the thief.

Maurice, a famous French chef and chemist, has created something world-changing and wants to distribute it through Jonathan's company, but before he can tell Jonathan about it, he is killed and his recipes stolen.

Marital suspicions lead a woman to accidentally kill her husband, but when his debt-ridden brother tries to step into his place, the Harts blow his cover and the widow may take her own revenge.