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…

A hard truth keeps Casey up at night. Sam experiences a rough season with Zahid — and Paige. Elsa and Doug brace for their next chapter.

While Sam and Casey face friendship dilemmas, Elsa uncovers a charming surprise, and Doug makes an unexpected decision.

An ethics professor pushes Sam to his limits. Elsa keeps an eye on Doug … and Megan. Casey considers her future and encourages Evan to do the same.

Casey and Sam fume about their parents meddling in their lives. Zahid hosts a big send-off for something near and dear.

Casey’s demanding schedule starts affecting her grades, while Sam seeks out some extra credit himself. A chance run-in revives old suspicions for Elsa.

A change at work leaves Sam scrambling for cash. When Izzie fights the school dress code, Casey feels conflicted. Paige discovers a knack for management.

Casey and Izzie face fallout from the protest. Paige tries to prove her mettle to Casey through strange tasks. Doug avoids dealing with a painful loss.

Elsa makes a meaningful reconnection. Paige plans a romantic night with Sam. Pressure mounts on Casey ahead of a big track meet.