Dale Robertson plays eccentric Texas billionaire JJ Starbuck who pokes his nose into other people's business in the name of justice. In the opener, JJ travels to Beverly Hills where a wealthy businessman is suddenly cleared of his wife's murder by a bodybuilder, who claims the death was the accidental result of a lovers' quarrel.
Robert Conrad plays Corbett Cook, a Wall Street wizard, whose overtures to J.J. about a shady business deal become secondary when J.J. crowds him with questions about the apparent suicide of his assistant.
J.J. interrogates Pierce Morgan, a pianist, about the apparent suicide of a competition judge who was disapproving of the pianist's style.
J.J. calls into question the "accidental" demise of a children's-book illustrator when the dead man's collaborator and heir refuses to continue his partner's charitable work.
The military notifies J.J. that he's on his own if he goes up against the terrorist holding executives hostage at J.J.'s Middle Eastern oil refinery.
After J.J.'s car stalls, a Greek bearing gifts of room and board assists J.J., who tries to repay his host by helping him fight a development company.
Starbuck buys into a movie studio to uncover clues a decades old-murder case.
A shifty spiritual leader tries to frame a senator's daughter for her father's murder.
An estate agent finds success in selling houses to a couple, getting his 6% commission, then ordering one of his agents to seduce one member of the couple to break up their marriage. After the divorce, the couple sells their house and the realtor gets his 6% again; then he sells each of member of the couple another place and gets another 6% from those sales.
Starbuck investigates Brin Coltan, a scheming interior design editor, who seems to have committed the perfect murder.
Con man E.L. "Tenspeed" Turner unwillingly accepts to help J.J. find the killer of their mutual friend, Cactus Jack, a gambler.
J.J. runs across a man who was framed for the murder of his father, a studio executive killed 10 years earlier.
J.J. makes plans for a paroled felon to coach a college-football team that hasn't won its last 265 games.
Ted Fuller, J.J.'s Army buddy, now a talk-show host at a station J.J. owns, adds his own change to the phrase "killing the competition."
Jill, J.J.'s niece inquires into the apparent suicide of a friend who was looking for stardom.
J.J. has a sneaking suspicion that the collapse of a building is behind the reluctance of construction magnate Joe Piermont's son to run for governor.