A cunning new adversary's carefully crafted plans force Mac to make an impossible choice: save the life of a friend, or save hundreds of innocent lives; Mac receives new information that will drive a wedge between him ...
Three months after quitting the Phoenix Foundation and moving to Nigeria, Mac puts aside his differences with his father and returns when he hears that Jack is the target of a murderous dictator he double-crossed.
Jack receives an emergency distress signal from one of his old Delta buddies who has been accused of terrorism in a foreign country; he and Mac quickly recruit the rest of Jack's old Delta team and stage an unsanctioned rescue operation.
Mac and Riley must find a way to drive a tanker filled with liquid oxygen through a region occupied by rebels and deliver it to a children's hospital; Riley helps Mac decide whether or not to allow his father back into his life.
When Oversight's attempt to capture a cartel's leader goes bad, MacGyver and Jack rush to Mexico to pull their boss out while racing through the heart of the country during Dia de Muertos celebrations. Also, Bozer and Riley use Halloween as a distraction to gather intel on a man accused of treason.
Matty sends MacGyver and team to Ghana to recover a hard drive from an e-waste landfill that is run by a powerful and violent man. But when Matty refuses to reveal what's on the drive, other than a mysterious file called 'Dragonfly,' the team speculates about what could be so important to her.
Mac and Jack hit the road for a weekend of relaxation in Las Vegas, but their mini-vacation is cut short when someone from their past abducts them and locks them in a concrete room; Matty tasks Riley, Bozer and Leanna with stealing a diamond encoded with terrorist intelligence from a princess in Milan.
Mac, Riley and Bozer go on a weekend of survival training, then they run into a violent group of criminals who are searching for a lost crate of money. Jack and Matty go on a road trip to place Ethan and his family in witness protection.
An international crime boss offers to surrender if he's allowed to return to the United States to watch his daughter walk down the aisle; Mac and the team crash the wedding to ensure the crime lord doesn't run.
The Phoenix Foundation must recover the body of a pilot whose plane crashed while testing an experimental laser mapping system that Mac designed; Riley tries to identify the hacker who tricked a SWAT team into arresting her and Elwood.
Two American tourists go missing while doing a scavenger hunt through some of the world's most dangerous countries; the Phoenix team goes undercover as backpackers to find them and bring them home alive.
Matty's ex-husband Ethan asks her for help when a criminal organization kidnaps his wife and daughter; Matty must decide if she's willing to commit treason in order to help Ethan; Riley joins Billy and Mama Colton on a mission to Paris.
A cunning new adversary's carefully crafted plans force Mac to make an impossible choice: save the life of a friend, or save hundreds of innocent lives; Mac receives new information that will drive a wedge between him and his father.