Katsumoto takes a job providing security for a chart-topping K-pop star Higgins and Rick find themselves in peril while trying to help Rick's friend.
Magnum and Higgins go under cover as lifeguards to solve a murder Jin Jeong wins a storage unit auction and enlists the help of Rick and TC upon finding a stolen military medal.
The mother of a suspected bomber hires Magnum and Higgins to locate her teen son and turn him in to the authorities Kumu and Rick help T.C. navigate his guilty conscience when he runs into a past flame.
When Magnum balks at notorious crime boss Osi Shima's request to find his missing son, Magnum learns he's been poisoned and has only eight hours to locate Shima's son to earn the antidote.
A bail bondsman hires Magnum and Higgins to track down a woman who skipped out on her $250,000 bond T.C. and Katsumoto team up on an emotional search for Cade's mother.
When Hawaii Supreme Court nominee Judge Rachel Park is being blackmailed, she hires Magnum and Higgins who go to extraordinary lengths to help her out Rick suggests changes to make La Mariana more profitable.
Shammy asks Magnum and Higgins to locate his missing friend, a homeless veteran T.C. tries to get Cade to return to school but quickly learns it's not that simple.
A nun hires Magnum to investigate a mysterious and large cash donation made to a parishioner undergoing medical treatment Jin's new dog walking business takes a dramatic turn Rick nervously prepares to reconnect with Suzy.
When a woman hires Magnum and Higgins to locate a man she met briefly at a coffee shop and felt a spark with, they learn that he is hiding a big secret Higgins keeps a secret of her own after she has a romantic dream about Magnum.
A famous painter blackmails Nick into a casino heist in Africa.
A beautiful woman lures Nick into a plot to kill her jealous husband.
Nick seeks three criminals after being framed for robbery.
After multiple people are targeted and killed with a poisonous gas in broad daylight, the team races to find the killer Maggie continues to explore motherhood.
When the director of a Brooklyn migrant center is abducted and held hostage along with his wife, the team must work quickly to meet the demands of their kidnapper Maggie picks Jessica's brain about motherhood.
When a federal judge is gunned down in broad daylight, the team is sent looking for a suspect with ties to a local Islamic center Maggie reunites with a former colleague.
When a local club owner is found dead, the team works quickly to find the motive behind the murder of a seemingly innocent man OA is smitten with a new love interest but is concerned that she's mixed up with the wrong crowd.
All eyes are on the team when it tries to find out who kidnapped the only child of a prominent U.S. senator the abduction also uncovers a potential link to a similar case that was pushed to the side by local authorities.
A drug dealer is shot in a federal park and the team sets out to look for his killer Maggie's sister returns to New York and complicates the case.
When a trucker is gunned down after a routine trip from Canada, all signs point the team to a noted criminal on the FBI's Most Wanted Terrorists list Jubal gets to work with an old friend and colleague, Detective Jack Lombardo.
When the deputy commander of an Air National Guard Base is kidnapped, the team must work quickly to find the suspect along with stolen ammunition Scola questions his own safety in the aftermath of a recent traumatic experience.