 After a third murder without apparent motive in a strictly guarded housing resort, Steve moves in undercover as a Community General physician, the brother of victim Paul Foster, but finds Shelby Turner, the very investigative reporter on a rag obsessed with aliens he wanted to boycott completely, has set herself up as his wife. After throwing a party got them fingerprints which only match to dead people, Mark figures out what the three victims had in common with each-other and a crime family.