Mind Games – While investigating a case involving a woman who shot her husband while she was drunk, Danny’s instincts tell him there is more to the story. Also, Anthony ignores Erin’s orders to drop an assault case; Frank holds an emergency drill for his inner circle; and Jamie and Eddie navigate their changing work-life dynamic.
…Troubled as the Tide – Violet continues her manipulation. Trey is helped by an unlikely ally.
…Right as Rain – A dangerous secret about Violet is revealed.
…Cold as Ice – Determined to get answers, McKenna devises a new plan.
…Innocent as a Lamb – Violet recounts an important story from her past.
…Slippery as an Eel – McKenna has an unconventional proposal.
Mimiki ke kai, ahuwale ka papa leho (When the Sea Draws Out the Tidal Wave, the Rocks Where the Cowries Hide Are Exposed) – Crime spikes when a heat wave hits Oahu, causing McGarrett and Danny to hunt down a bank thief, and Tani and Junior’s car is stolen while they’re on duty. Also, Grover plays the golf game of a lifetime, and Kamekona incites a riot by price-gouging on his shave ice.
Bozer + Booze + Back to School – MacGyver, Riley, Bozer and Leanna go undercover on a college campus to smoke out a deep-cover operative who is recruiting students to carry out deadly attacks around the world. Also, Jack joins bounty hunter Billy Colton in the hunt for a bail jumper but is concerned when he finds out Billy offered Riley a job.