Season 4

Five million dollars worth of gold and bronze artwork is stolen in spectacular fashion from the Los Angeles Harbor. The insurance company that covered the artwork sends an agent to brief the Angels, and Charlie sends them on a Carribean cruise to intercept the dashing thief, Paul Hollister, and his accomplice, Wes Anderson. With Sabrina now married and retired from detective work, Kelly and Kris are joined by a new recruit, Tiffany Welles. Bosley stays in LA to trail Eleanor Case, the fence for the merchandise.

Hollister is attracted to Kris, and the feeling becomes uncomfortably mutual, especially after Kris learns that all the money from his crime will be used to smuggle distressed people out of Vietnam. As the result of the Angels' intervention, the thieves are able to work out a deal with the insurance companies that satisfies all parties.

The Angels are called in to help the all-female Venus trucking company where $1 million in pharmaceuticals has been hijacked. Kris and Tiffany drive a big rig following the route of the hijacked truck.

Frank Desmond, a heroin addict Kelly helped send to prison, gets out of jail. He proceeds with help from a friend to take revenge.

Kelly is set to be maid of honor at the wedding of her best friend, Sharon. They discover that there have been several near misses on the groom's life and the Angels are called in to investigate.

The Angels are retained by an opera star to protect a diamond from a jewel thief. However, Jill has become romantically involved with the thief who invites her to participate in the heist.

When a young woman who is supposed to be in prison is found dead at the scene of a robbery, the Angels are called in to investigate. Kris enters prison undercover to find the thieves.

The Angels go undercover as hookers to find the man that beat up the daughter of a dance school owner, Amy Hawkins. They learn that Amy doubles as a hooker herself.

During a visit to the States, Jill becomes involved with a wealthy European who invites her to his yacht, but their interlude is interrupted by sniper fire. Later, Jill and the Angels uncover Eric's identity as the crown prince of a small European country.

The Angels don roller skates to investigate the disappearance of roller dance favorite Rita Morgan.

When two girls from Tiffany's sorority disappear, the Angels find themselves back in college trying to unravel a suspected white slavery ring.

The Angels act upon a mysterious telephone call from Charlie to come to an island in Mexico. When they arrive the boatman leaves taking their baggage and weapons, and the threesome are stranded on the beach.

Bosley and the Angels are sent to transfer Charlie's 100-foot yacht to Miami, only to find it stolen and mysteriously returned. They find blood on the deck and gold hidden on board.

While visiting Tiffany's old college friend Erica Burke, the Angels are alerted to mysterious occurrences at Erica's mansion.

Kelly witnesses a police sergeant battering his son, Greg. Kelly decides to press charges of child abuse, while gaining temporary custody of Greg. Criminals kidnap Kelly and Greg and attempt to persuade the boy's father to drop the search for them.

The Angels are hired to locate accused jewel thief Ray Devlin, who has fled, jumping bail. Using a cover as a wealthy divorcee, Kris is to lure Devlin from an Arizona resort back to L.A.

Tennessean Seth Jeffers follows his girlfriend, Bess, to L.A. and discovers she is acting in porno movies. When Seth disappears, the Angels are called to investigate.

When a wealthy Beverly Hills couple is robbed of valuable Egyptian artifacts, the Angels suspect the real estate baron, Barry Kingsbrook.

A dance marathon with $5,000 in prize money attracts Joe and Sally Fairgate to compete, but when Sally disappears, Joe enlists the Angels' help in finding her.

When Starrett Electronics is the victim of a second large heist, Paul Starrett's insurance company insists he have additional help for Joe Harrigan, a bumbling, disheveled private investigator covering the case. The Angels step in.

Jill is taken hostage when she accidentally stumbles into a gas station robbery. Convict Sam Mason and his sons, Clint and Harley, escape into the desolate desert hills, keeping Jill captive.

When a congressional witness is found dead, the Angels investigate a plastic surgeon's association with a racketeer whom they learn wants surgery to change his identity.

When three unsuspecting investors are taken by racketeer Harley Dexter, the Angels scheme to con Dexter into returning the money.

After a number of attempts on the Angels' lives, Charlie hires Antonia Blake to protect them. Toni's boys are expert detectives but the Angels resist their orders to stay undercover and not venture out of Toni's mansion.

Kelly, who was orphaned as an infant, receives a visit from attorney Bill Cord, who is convinced that she's Margaret Barrows, the daughter of multi-millionaire hotelier Oliver Barrows. Kelly flies to San Diego to meet the man who may be her father, and begins a romance with the handsome attorney. After a joyful reunion, Barrows dies of an apparent heart attack two days later.

What Kelly does not know is that Oliver was poisoned by his nephew, Glenn Staley. Deep in debt, Staley promised to deluver Barrows' San Diego hotel to a developer with syndicate ties. Hoping the murder of Oliver would solve the problem, Glenn is now faced with the necessity of killing the new heiress. Kelly, meanwhile, is still uncertain about her real heritage, and hires Kris, Tiffany and Bosley to find proof. Tiffany joins Kelly in San Diego to study the Barrows family history, while Kris follows up on Bill Cord's investigation. In the course of their collaboration, Bill and Kris fall in love!