When Georgie fails to make the basketball team this year, Harley helps her cultivate a new passion instead.
Y2K is on the horizon. 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 exactly go according to plan.
When an Army ranger goes missing after returning from deployment, Magnum learns of the traumatic news he received upon arriving home and must find him before survivors guilt consumes him. Also, Higgins and Ethan solve the case of a missing engagement ring while on a mini-break, and Katsumoto tries spending quality time with his teenage son.
Magnum and Higgins help an up-and-coming mixed martial arts fighter who is being pressured by a gang to throw an illegal fight. Also, Kumu is arrested for stealing an artifact from a collector that should be returned to its original resting place.
When Higgins is abducted, Magnum discovers it's retaliation related to one of his first cases on the Island, and he, Rick and TC must break out an ex-client from prison in order to save her.