Sean turns down a free week at the Hilton Hawaiian Village after saving a local TV celebrity, so Zack goes in his place.

Mitch Buchannon, who supposedly died in "The Killing Machine", is recovering from amnesia in Los Angeles. He returns to Hawaii to marry Allison, a woman who looks like the late Stephanie Holden, but who's actually part of a revenge plot by Mitch's old nemesis Mason Sato (from "War of Nerves").