When George doesn't make it to the basketball team, Harley convinces the coach to make her the team mascot, with unexpected consequences.
While Grandma Jenny, Emery and Evan look to the future, Louis and Jessica take a trip down memory lane; Eddie, on the other hand, is stuck trying to navigate the present after his first college visit doesn't go according to plan.
Katsumoto learns if his career in law enforcement is over for good or not as his hearing date arrives, Magnum and Higgins are hired to investigate a man their client believes committed murder, and Rick's suspicions grow about their relationship.
Katsumoto takes a job providing security for a chart-topping K-pop star, Higgins and Rick find themselves in peril while trying to help Rick's friend, and Magnum harbours suspicions about Captain Greene's death.
Magnum and Higgins take on a case that sends Higgins inside a psychiatric hospital; Katsumoto and his son, Dennis, head to the mainland to look at colleges, but their trip takes a harrowing turn when a run-in with a local turns ugly.