October, 1900. University College, London. When the spreadeagled body of one of her students is discovered in her rented room shortly after attending one of her lectures, Dr Margaret Murray is disinclined to accept the official verdict of suicide and determines to find out how and why the girl really died.

As an archaeologist, Dr Murray is used to examining ancient remains, but she's never before had to investigate the circumstances surrounding a newly-dead corpse. However, of one thing Margaret is certain: if you want to know how and why a person died, you need to understand how they lived. And it soon becomes clear that the dead girl had been keeping a number of secrets. As Margaret uncovers evidence that Helen Richardson had knowledge of a truly extraordinary archaeological find, the body of a second young woman is discovered on a windswept Kent beach - and the case takes a disturbing new twist ...