Mr. Lucky receives a "Birthday Present" from an old WWII Navy pal-an atrocious oil painting.When the friend is murdered and an aggressive buyer for the painting pops up on the Fortuna II,Mr. Lucky,Andamo and Maggie find themselves in a hot spot.
Maggie witnesses a Mob assassination and Mr. Lucky wants her to go into hiding until the hitmen are caught. At the same time an Estate Lawyer is looking for her and Andamo unintentionally helps the killers.
A horse racetrack is robbed and some of the money with known serial numbers ends up on the Fortuna II.When Mr. Lucky and Andamo are jailed for suspicion of being part of the heist team,the gang uses the ship as a drop to smuggle the money out of the country.
An attractive Society matron who is anti-gambling/pro-children's milk fund charity,visits the Fortuna II and stages a publicity stunt to make her point.Andamo is smitten and convinces Mr. Lucky to have a fund-raiser but there is more than one reason for Lucky being leery.
Without any discussion,Mr. Lucky tells Andamo the Fortuna II will cease being a gambling ship and will become a Private Member,ultra-fine dining,restaurant and night club.One of the new members,a wealthy young lady,has a problem-she has run out of money paying a blackmailer.Lucky and Andamo try to help.
The new comedian at Lucky's is still wanted by his previous boss, an old-time Prohibition Era mobster. Stopping at nothing,eventually the comic's wife and Maggie are kidnapped as part of a scheme to make the comic return and sign a contract.
A crooked businessman has convicts paroled to him and then threatens to have them sent back unless they do exactly as he says-including strong-arming and murder.Mr. Lucky and Andamo help one of the parolees,a Salad Chef on the Fortuna II,who wants to stay clean.
A company which has scheduled a party on the Fortuna II is undergoing an IRS tax audit. The owner, knowing fraud will be eventually discovered, decides to buy time by "tipping" the Tax Agent into starting an investigation of Lucky's.
Mr. Lucky and Andamo volunteer to be in charge of an up-and-coming,wealthy,Ivy League boxer until a charitable "Fight-Night" event is completed.The manager of the opponent does not want to take any chance of his fighter losing a title shot-Lucky's man must take a dive or else.
An old friend of Mr. Lucky is planning a major heist and asks for help with the getaway by using the Fortuna II to leave for Cuba afterward.Lucky turns him down but after getting the blame for the crime decides to track down the thieves-with Andamo in danger and Lt. Rovacs hot on his heels.
Mr. Lucky and Andamo are visited by an old friend who needs their help.He is now the manager of a posh country club with a problem;a recently suicidal club member is only one of many who are being cheated out of large sums of money by a card shark.Lucky and Andamo go "undercover" to find out who it is.
A high powered attorney and three of his "associates" hijack the Fortuna II. The lawyer is attempting to reach a foreign shore with his daughter in order to avoid a custody fight. Mr. Lucky and Andamo have a different course in mind.
A front man for the Mob wants to buy the Fortuna II and will not take "NO" for an answer. Staged fights in the Dining Room,use of an attack dog and a quarantine for a virus are some of the tactics used to force the sale.Lucky and Andamo will not be intimidated and,with Rovacs' help,fight back.
A candidate for Councilman is assassinated and the man's brother asks Mr. Lucky for help in finding out who is responsible for the murder.Lucky makes himself a target by running for the office and dares the killers to come into the open to stop him.
Mr. Lucky is the chief suspect in a hit-and-run death involving an old gambling friend. "Luckily" the man had visited with Lucky and Andamo on the Fortuna II before he died-and left a clue to the real killer.
Mr. Lucky's reputation for being able to deal with unsavory characters leads to a popular actress asking for his help. She is being blackmailed regarding an incident in her youth by a Mystery Man. Lucky, Andamo and Lt. Rovacs set out to find out who it is and put an end to the extortion.
A man who has testified against the Syndicate attempts to use the Fortuna II as a means of smuggling his son into California from Mexico.A top Mobster is aware of what is going on and has his men following the boy-they will kill the father for revenge.Lucky,Andamo and Lt. Rovacs do what they can to help.
Armed juvenile delinquents rob the Fortuna II's Cash Room and Dining Room customers. Their efficient heist even included knocking out the Ship-to-Shore radio. Mr. Lucky and Andamo suspect an awkward young waiter may be involved.
A man and woman use "lookalikes" and the Fortuna II as a means to illegally enter the United States.Their reason for evading the immigration authorities has national security implications and involves a network of traitors.Mr. Lucky and Andamo are asked to help locate the couple in Los Angeles.
When Lucky will not call-off a bet on an election with Toby on election eve which it seems Lucky will win, Toby hires a man to kill Lucky to avoid being killed himself by a syndicate which he owes a like amount of the bet.