When an accused murderer goes on the lam, Shawn and Gus play bounty hunter, racing "Midnight Run" style to bring him in before the cops and a real bounty hunter get him first. However, the chase gets complicated when Shawn realizes the guy they are bringing in is innocent. Guest starring Kevin Sorbo.
Charlie is now dating Kandi's (recurring guest star APRIL BOWLBY) mother, Mandi (recurring guest star GAIL O'GRADY). Meanwhile, Alan is depressed because Kandi has left him and is staying with bitter Judith, who brainwashed her against him. At Mandi's urging, Alan goes to Judith's place to try to win Kandi back. Also, Kandi introduces Judith to Kandi's father, Andy (KEVIN SORBO - "Hercules: The Legendary Journeys," "Andromeda").
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.
As the new year approaches, Ryan plans a special surprise road trip for Taylor and himself. But when Summer confronts Seth about not making any plans, Ryan's romantic getaway for two is spoiled. (New Year's Eve episode)
Newly engaged Seth and Summer both panic about the prospect of being married, but neither will break it off, despite the advice of their friends. Meanwhile, when Ryan's estranged biological father tries to reconcile with Ryan, Sandy remains dubious.
