Whatever happened to the girl in the tie-dye dress? When archaeologists make an unexpected discovery on Salisbury Plain, Detective Inspector Matt Newton is sure he is on the verge of solving a forty year-old mystery. There are, he discovers, no easy solutions. With every step the investigation raises more questions than answers. The complications include a sleazy celebrity archaeologist and a wealthy recluse who believes he is guided by spirits - and Newton's own family only adds to his problems. Gradually, a web of memory and lies emerges from the past. But who is telling the truth about what? Is there really a brutal killer at large in the peaceful Wiltshire countryside? As the tangled threads of the past are unravelled, everyone involved is forced to take stock of their lives before it is too late.