Joshua Chang

NCIS investigates the apparent suicide of a Navy intelligence officer who leapt to his death after taking LSD; while Kensi is away, Deeks makes plans to redo the backyard without her input.

MacGyver and Jack search for Riley, using a microwave and a power strip, after she mysteriously disappears and hacks into the NSA, possibly unleashing World War III. Also, Bozer goes on his first official mission, and Jack opens up about his history with Riley's mother, Diane.

Magnum and Higgins learn that the assassin who killed Higgins' true love has surfaced on Oahu; while Magnum is busy helping Higgins, he asks Rick to take over a case, a task that Rick relishes until it goes sideways.