: Matty Webber’s ex-husband, Ethan Raines, goes missing while undercover with a dangerous criminal organization, forcing her to confront her past and work with the team to find him. Key MacGyver Hacks
: In a lighter subplot, Jack Dalton kidnaps Elwood (Riley's father) to interrogate him about his latest schemes, showing Jack's protective nature toward Riley. [S2E10] War Room Ship
: This episode provides significant backstory for Matty, revealing she was once married and highlighting her personal sacrifices for her career. : Matty Webber’s ex-husband, Ethan Raines, goes missing
: Thirty-two college students are trapped on a research vessel in the Arctic Ocean. The ship is losing heat, fires are erupting, and water is rushing in through a hole in the hull. : Thirty-two college students are trapped on a
: With the hull crushed inward, Mac advises the students on how to manage the inward pressure to prevent the ship from sinking immediately. Character Subplots
: Bozer’s romantic feelings for Leanna continue to grow as they work together.
: To fix a broken door seal and keep water out, Mac suggests creating a makeshift sealant using on-board chemicals that expand when heated.