[s3e21] Treason Heartbreak Gum -

In the MacGyver (2016) Season 3 episode titled , the story splits between a high-stakes family rescue involving Matty's past and a relationship-shattering mission in Paris. Plot Summary

Riley Davis joins the Colton family—Billy and Mama Colton—on a mission to Paris. However, the professional trip turns personal when Riley discovers Billy is cheating on her after seeing a message from another woman on his phone, leading to their breakup.

To save Ethan’s family, MacGyver and the team must infiltrate a secure building. Mac uses a gum wrapper to create a makeshift electrical switch and a bicycle-based hand-crank winch to break window bars. Key Character Moments [S3E21] Treason Heartbreak Gum

Mac uses the foil from gum wrappers to complete a circuit, using the gum itself as an insulator until it's pulled out to trigger a spark gap.

Although he survives the ordeal, Ethan is ultimately taken to prison for his role in the treasonous attempt. In the MacGyver (2016) Season 3 episode titled

He converts a bicycle into a powerful winch to pull heavy security bars off a window.

Her breakup with Billy marks a significant shift in her character arc, ending a long-running romantic subplot. Notable MacGyverisms To save Ethan’s family, MacGyver and the team

The episode highlights Matty’s emotional resilience as she navigates her complicated feelings for Ethan and his new life while risking her career to save them.