Ryan engages in an intense interrogation with Lerner, as he was in cahoots with Franklin. Only some of his questions are about the case. He’s more interested in the mystery lady who was with Castle. Lerner’s description of her awesome, hot body has Ryan pressing even harder. He’s stunned when Lerner blurts that the “hot body” woman is named Kate. Oh boy. Castle and Beckett are both on edge when they learn Aaron Lerner told their colleague “everything.” Ryan leaves them wondering just what “everything” means.
Chief Brady believes the marina operator is a local drug dealer who was ticked that Franklin was invading his Hamptons turf. Castle notices a neatly-tied nautical knot at their new suspect’s boat. The real killer tied a sloppy knot at Lerner’s boat. It becomes apparent that Chief Brady’s deputy planted evidence to cover his crime. BANG! Chief Brady shoots the deputy when he tries to take the marina operator hostage. The guy would’ve gotten away with it if it hadn’t been for those meddling weekenders.
Chief Brady promises to keep mum about Castle and Beckett’s relationship before leaving them to salvage what’s left of their romantic weekend. Back in city, Ryan tells a disappointed Esposito that they should drop the great boyfriend search. Looks like their secret’s safe with him, too. As for Castle, he comes up with an idea for a new book called Hamptons Heat. Unfortunately, he won’t be able to start it until a negligee-clad Beckett dismounts him. It appears Castle will do anything to get out of writing, won’t he?