Super-sleuth Libby Sarjeant returns with a baffling new case... two people missing in a single week. When a homeless man from the old-fashioned English seaside town of Nethergate appears to go missing - and the police are not available to investigate - amateur detective Libby Sarjeant and her psychic friend Fran are called in to search for him.

But it seems the case might be far more complex than they anticipated - and when a second person disappears without trace, Libby suspects there must be a sinister connection between the two. Following a murky trail to uncover the truth, Libby and Fran find themselves uncovering secrets hiding in plain sight. Can they solve a puzzling mystery before anyone else suddenly vanishes?