Elwood P. Gilroy and his assistant, Crystal Simpson, steal the ownership papers for the herd and sell it to Orville Tippet at a large loss. Elwood ditches Crystal, so Rowdy and Crystal follow Elwood to bring him to justice.
Among the issues Walker has to deal with include a new partner named Trivette, a group of men terrorizing a circus family who camp out at his home, and some bad guys who plan on the ultimate bank caper.
The coming of a huge tropical storm brings out a rare form of fear in Mitch over a bad memory about a big storm that struck Los Angeles when he was seven back in 1961, and he meets a mysterious Hawaiian who tries to persuade Mitch to overcome his fear. Also, Hobie seeks comfort with Shauni over his fear of surfing the huge waves of the storm to impress his more outgoing friends. Meanwhile, Kaye becomes intrigued with a young deaf girl, named Lili, and her overprotective mother, Sharon, whom Kaye tries to introduce them to sign language.
After a drugged out vagrant torches Eddie's lifeguard tower, he, Shauni and Detective Lyle Conners investigate to find an illegal, off shore drug laboratory that's distributing a new form of drug called 'spice', while Mitch and Captain Thorpe are trying to convince the local city board to spend more financing for a new wave runner in order to catch the elusive drug dealers. Meanwhile, Ben rekindles an old flame when Maggie James, a former movie actress he adored for 30 years, suddenly shows up at her old beach front house.