Ep 21. Treason + Heartbreak + Gum

MacGyver (2016) season 3 episode 21, "Treason + Heartbreak + Gum", follows Angus "Mac" MacGyver and his team as they investigate the theft of a biological weapon from a private lab. The stakes are high as they race to prevent the weapon from being used against innocent civilians.

The episode opens with Mac and his team, which includes former CIA agent Jack Dalton and hacker extraordinaire Riley Davis, on a mission to retrieve a stolen diamond. However, when they arrive to make the exchange, they discover that the diamond has been replaced with a vial of a deadly virus. The team manages to prevent an outbreak by using items such as gum and a can of hairspray to create a makeshift quarantine zone.

Meanwhile, back at the Phoenix Foundation, Mac's boss Matty Webber receives a call from her former flame Ethan Reigns, a government official who has gone rogue. Ethan claims to have information about a top-secret bioweapon stolen from a government facility and threatens to use it unless Matty helps him clear his name.

Matty is torn between her loyalty to the Phoenix Foundation and her feelings for Ethan, who she believes is being falsely accused. She confides in Mac, who promises to help her get to the bottom of the situation.

As Mac and his team race to track down the stolen bioweapon, they encounter a group of mercenaries led by a woman named S-218. It soon becomes clear that S-218 and her team have been hired to obtain the weapon and are willing to kill anyone in their way.

To complicate matters further, Mac discovers that Matty has been keeping secrets from him about her relationship with Ethan. He confronts her about it, and they have a heart-to-heart conversation about trust, loyalty, and the importance of putting the greater good above personal desires.

In the end, Mac and his team manage to recover the stolen bioweapon and prevent a catastrophe. However, the episode leaves viewers wondering about the future of Matty and Ethan's relationship, and about the impact that their personal feelings might have on their work at the Phoenix Foundation.

"Treason + Heartbreak + Gum" is a classic episode of MacGyver that showcases the trademark action, suspense, and ingenuity that fans of the show have come to expect. With its compelling plot, strong characters, and moral dilemmas, it is a must-see for anyone who loves thrilling adventure and heartwarming drama.