Magnum handles the case of a missing wife who witnessed the murder of her boss during a bank robbery. Magnum is waiting for Higgins to tell him her decision regarding letting him officially become his partner.
A pickpocket asks Magnum to help him with a suspicious text message. TC helps Rick with a bold career move.
When mercenaries break into the estate to uncover the true identity of the White Knight, Kumu and Higgins become at risk.
Katsumoto asks Magnum and Higgins to help him with a case. Rick and TC help Aaron Donald find his stolen tablet.
As Magnum and Jin are tracking down a private eye at a Halloween bash, Katsumoto is trying to locate an escaped killer who is going to that same party.
When Abby finds out that a client she once defended in a murder case wasn't innocent, Magnum tries to help her.
Magnum takes the case of a guest who was thrown from her room's balcony, while he temporarily works as the head of security at a hotel.
Magnum and Higgins butt heads over the decision to take the case of a woman who wants them to bring back her $3 million in stolen drug money in order to rescue her husband.
As he's feeling guilty for Harry Brown getting shot while working a case Thomas passed onto him, Magnum follows the clues he left behind.
Magnum recalls the memories of his tour in Afghanistan while trying to find an Afghan boy who was a victim of human trafficking.
Magnum's friends find out that he has been set up after being called up for a highly classified mission.
When Junior Reigns is kidnapped as a bargaining chip for the stolen list of undercover CIA agents, Magnum and Higgins help Tani Rey and Quinn Liu to find him.
Magnum and TC are working undercover for a case regarding the murder of a corporate manager. Rick is wondering why Higgins didn't want her investigating the case with Thomas.
Jin asks Magnum and Higgins to help her rescue an innocent woman who is the target of a deadly hit.
When Kumu gets kidnapped by an injured man who's accused of killing his wife, Magnum and Higgins look for her.
Magnum and Higgins go undercover for a case about the murder of someone on a romantic bus tour. TC is surprised to see his ex-girlfriend who came for her honeymoon.
Magnum and Higgins are trying to locate a stolen urn of a woman's dead husband, which others think is valuable. Rick and TC stop a man who's posing as football legend Andre Reed.
As Magnum and Higgins's wedding day approaches, they handle a case of a modern-day Robin Hood. Rick is helping a retired soldier integrate into civilian life.
Magnum and Higgins work for opposing clients who want them to dig up dirt on the other for their divorce case. Rick and TC are investigating the case of an unknown man.
Magnum and Higgins aid Rick with Icepick, his father figure, who was back-stabbed on his last heist. Magnum makes one last attempt to enable Higgins to remain in the country.