Agatha Raisin thinks she's in for a treat when her ex-husband, James Lacey, invites her on a holiday. But to her horror, his idea of an exotic destination is a small, rundown resort in Snoth-on-Sea. Needless to say, the break doesn't go as planned. When a fellow guest in their hotel is found murdered, Agatha herself becomes a suspect—and it looks as if she will be solving this particular case from the confines of a prison cell.