NCIS investigate 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 go on the search for Riley after she lands herself in trouble. Jack confesses to his history with Riley's mother.
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.