Episode 1 | Island Vibes

As Magnum tries to keep his new relationship a secret and handle his cases solo, he's now looking for a single mom being hunted by two very dangerous killers. A misstep abroad forces Higgins to become involved with an old employer.

Episode 2 | The Harder They Fall

While Magnum and Higgins reunite and work the case of a construction worker's tragic death, TC and Shammy get skyjacked by a pair of drug runners posing as tourists.

Episode 3 | Texas Wedge

Magnum, Higgins and Rick go undercover at a ritzy country club when a young caddie is fired after being accused of stealing a member's golf clubs.

Episode 4 | Those We Leave Behind

Higgins' therapist hires her to look into why one of her teenage patients died of suicide.

Episode 5 | Til Death

When Magnum and Higgins are hired by an anxious groom to look into his bride-to-be on the eve of their wedding, what they think is a simple case of cold feet turns into a web of lies.

Episode 6 | Devil on the Doorstep

A journalist hires Magnum to track down his anonymous source after they mysteriously go dark. Higgins receives a new assignment from MI-6. Rick's old friend comes to the island, but TC is suspicious of his motives.

Episode 7 | A New Lease on Death

When Rick is asked to assist with a federal investigation of Robbie, Magnum launches his own investigation. Higgins is hired to investigate the disappearance of a retirement community resident's life savings.

Episode 8 | A Fire in the Ashes

Magnum starts following Higgins to discover what she's been hiding, as she's secretly assigned to infiltrate a group threatening to take down MI-6. Rick struggles after an explosion takes the life of someone important to him.

Episode 9 | Better Watch Out

A Christmas Eve ransomware attack on the Honolulu Police Department forces Lia to reveal a family secret to Magnum and Katsumoto.

Episode 10 | Dream Lover

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.

Episode 11 | If I Should Die Before I Wake

A nun hires Magnum and Higgins to investigate a mysterious cash donation made to a parishioner undergoing medical treatment at the church. Jin's new dog walking business takes a dramatic turn.

Episode 12 | Angels Sometimes Kill

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.

Episode 13 | Judge Me Not

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.

Episode 14 | Run, Baby, Run

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.

Episode 15 | Dead Man Walking

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, or else he dies.

Episode 16 | Evil Walks Softly

The mother of a suspected bomber hires the team to locate her son and turn him in to the authority. Kumu and Rick help T.C. navigate his guilty conscience when he runs in to an old flame.

Episode 17 | Remember Me Tomorrow

Higgins is in a complicated situation when 12-year-old Ella asks for help cracking a triple homicide that involves her mother. Magnum bonds with a terminally ill veteran and attempts to reunite him with his estranged family.

Episode 18 | Shallow Grave, Deep Water

Magnum goes to extreme lengths to uncover the truth about a crime that may have involved his dear deceased friend, Nuzo.

Episode 19 | The Long Sleep

A disoriented man hires Magnum and Higgins to investigate a crime he doesn't remember after he woke up on the beach covered in blood. TC is taken aback when Cade's biological grandmother makes a surprise visit.

Episode 20 | Close to Home

Magnum and Higgins are sent on a deadly mission inside a high security correctional center when a ruthless criminal abducts Katsumoto and his ex-wife, Beth.