Ash and Scribbs investigate the murder of a 1950's singing star affectionately known as JJ who, it seems, still has a following in the retirement home where he and his wife now reside. He'd recently had major heart surgery but there's no doubt that someone drowned him while he was taking a bath. The man's wife had recently told him she was leaving him after 45 years of marriage and she was having an affair with a man in room next to theirs. Meanwhile, Ash has to put up with the incessant teasing from her colleagues when she and DCI Sullivan have to lock lips to maintain their cover while on a sting operation.