Baretta's young partner is ostracized by his Gypsy family for refusing to perform an atonement ceremony after accidentally killing his younger brother during a robbery.
A couple of small time crooks known as Mutt and Jeff rip off a Dry Cleaners owned by Tony's cousin Ellen, shooting and killing Officer Matthews. Tony is suspicious of Ellen's new boyfriend concerned that he isn't who he says he is and is a part of the officers death.
On temporary duty with the vice squad, Baretta learns that his partner is taking bribes, and is ordered by his boss to investigate the other officers on the squad as well.
When a former girlfriend shows up with a baby named after him, Baretta plans to marry her until it turns out that she is a pawn in a power struggle between two mobs, with an assassin on her trail.
When his friend Billy is one of the hostages taken by robbers trapped at a roadside tavern, Baretta tries to negotiate a deal between them and a sheriff who is unwilling to concede anything because of his political situation.
Two elderly neighbors of Baretta's steal a million-dollar racehorse back from the thief who originally took it, then hide it in their apartment until they can claim the reward.
Baretta does a lot of soul-searching after wounding a boy while trying to stop a holdup. Then he himself is targeted for revenge by one of the robbers who escaped.
An FBI computer expert impersonates a field agent and joins Baretta on a case regarding stolen emeralds that belong to a Sheik and wind up solving the murder of a Prince who was involved with a deceiving belly dancer.
His concern for an elderly amnesiac interferes with Baretta's investigation of a schoolyard drug pusher who is responsible for several overdose deaths.
Baretta investigating a stolen vehicle report believes that two brothers are responsible. When another vehicle is stolen, this one filled with M-16's the boys have more to worry about than just Baretta.
Baretta is working undercover searching for the Lu Chan gang from Hong Kong responsible for a series of bank depository holdups. When newsstand operator Big Charlie helps Baretta winds up killing one of the gang making him a target.
Baretta rescues Carla from her mob family, the Feds want her to roll over on her syndicate family and put her into the witness protection program, while Tony just wants her for himself.
When $200,000 in mink is stolen and the only witness is an old racetrack codger, who decides to get the reward money for him and his pal to go and score the big one at the track. Baretta believes his old friend that he can't identify the culprits not realizing he is being snaffued.moreless
Baretta receives a deathbed statement from Canadeo about his father Louis Baretta. Upon hearing that his father had a hit put out on him, Baretta finds those responsible for his dad's death.
When Baretta rescues three runaways one of them, Judy, is a pregnant 15-year-old. Tony takes measures to nail her step-father for raping her and abusing her and passing her around to his friends.
When an elderly Teresa Montevanni is hit by a car from the 'Association' protection collector. Baretta tries reasoning with the people of the neighborhood to rid themselves of their so-called protector Giove.
After philanthropist James Simpson is blown up in front of the Genios restaurant an old friend of Baretta's, a recovered alcoholic returns to his old haunts to help solve the murderer responsible, who is his former employer, a blackmailer dealing in pornography and prostitution.
Baretta takes a three day leave with his new girlfriend, problem is her ex-boyfriend Bishop breaks out of prison and hunts her down for the security bonds she is holding.
Baretta is investigating the takeover of a new drug dealer in town who is knocking off the existing dealers. When one Baretta's friends Joey Rich, decides to take matters into his own hands after his own son becomes a heroin addict.
Baretta is working on a numbers case when $12,000 dollars is stolen from Jewel the rackets king. Baretta tries to help out a kid who was only trying to do good for his family.
There's a slasher loose in Tony's neighborhood who is killing all the winos. Baretta is held captive by Crazy Annie aka Mumsy who thinks Tony is her son Arthur, which hinders his investigation.
Pursuing a gunrunner with spinal meningitis, Baretta becomes infected and has 48 hours to find the man and his cohorts before he has to go into quarantine.
After a young pickpocket named Jonesy is killed, Baretta solicits the help of an expert to infiltrate the gang that operates at an airline terminal. Not realizing that the reason for the death is related to the lifting of a passport from a hired assassin.
Baretta tracks a distraught father who has killed the doctor he believes responsible for the death of his son, then has gone after the local drug dealers as well.
When his partner is charged with shooting a suspect in the back, Baretta tries to locate the only witness who can save the man's career, but the real murderers are after him too.
Baretta is investigating a mob theft of diamonds belonging to Mr. Nicholas and winds up helping a merchant who is threatened by a new group in the neighborhood called the East Side Benevolent Society, who is forcing all the shop owners to pay money for protection or suffer the consequences.
Baretta doggedly follows a truck driver he suspects of killing the cat burglar who injured his wife, waiting for the man to make a mistake that will reveal his guilt.
When a dying hoodlum entrusts his girlfriend with a detailed record of all his underworld activities, she is sought by both the police and his former cronies seeking to protect themselves.
While Baretta is investigating a series of waterfront killings, his cover becomes in danger of being blown by a waitress who knows him and thinks he is responsible for the death of her boyfriend.
When a conventioneer is murdered, Baretta finds that the only witness is a busboy who doesn't want to get involved, but the real murderer is after the man too.
Baretta must use his wits to survive after he and a runaway girl he apprehended unwittingly get into a police car being driven by a couple of holdup men disguised as cops.
Baretta has to go on the run to clear his name after he is framed for the murder of a gun dealer he was investigating, who was selling weapons to teenagers.
Baretta comes to suspect that his close friend, a music store owner, may not only be a drug dealer, but may be unknowingly selling heroin so pure that it is killing his customers.
After an undercover policewoman is killed, Baretta poses as a fugitive gangster in order to infiltrate a mansion that the syndicate runs as a house of illicit pleasures.
When the dead body of a prominent attorney's wife is found, Baretta becomes interested when he finds that there is no record of her existence before age 20.
Baretta's career and reputation are almost ruined by a beautiful photographer who tricks him into helping her steal a half million dollars of mob money.
Baretta's best friend, parole officer John Shockley is murdered after telling Baretta that a model who supposedy killed herself months earlier is alive and well in Mexico.