Hot Water — Herman Weiss

SET A COURSE FOR MISADVENTURE...
Joe Chelsea and Josh Novick can't seem to settle into their roles as retired NYPD officers, much to their wives' dismay. Instead of relaxing under the Florida sun, they're reliving their days on the force--and growing old dangerously as the self-proclaimed "Sunset Detectives."

When a renowned business tycoon approaches them with a real estate deal that seems too good to be true, both Chelsea and Novick are hesitant. But in the end Reuven Harbin's offer is too sweet to resist--as is his invitation to a cruise aboard his luxurious 172-foot megayacht. The journey is barely under way when Harbin's past as a legendary Israeli secret agent comes back to haunt them all--and blows them right into a storm of undercover intrigue and undisguised violence...