After falling from grace last summer, Agatha Christie-obsessed Alice Ogilvie needs to stay out of trouble. While smart and reclusive Iris Adams just wants to get the hell out of Castle Cove. But now they have a murder to solve. There are clues the police are ignoring, a list of suspects a mile long and some very dangerous cliffs. Amateur detectives Alice and Iris are about to uncover just how many secrets their sleepy seaside town is hiding?