When the CEO of a hugely successful surf company is murdered, Kono revisits her past while Five-0 is thrown headlong into the varied but interconnected worlds of North Shore surfing.
The Sibunas puzzle over a riddle which leads them to a secret room. Mara is disappointed to learn she has inherited a dog. Denby drives a wedge between Eddie and Patricia in her quest for Frobisher's next sinner.
