When forensic psychologist Harriet Quinn receives the random pieces of a jigsaw puzzle, she doesn’t realise they hold the key to identifying a sadistic killer’s next victim. A victim who hasn’t even been taken yet.

    But there’s a problem: it’s locked in a safe in Lidcup’s Jam Factory. Forced to make an audacious attempt to retrieve it, the two old ladies enlist the help of some shady village underworld figures.Will their mission be a success? Or might they land themselves in a sticky situation?