When young archaeologist Molly Pearce is discovered murdered on a building site, her death is linked to an ancient Roman coin unearthed two years earlier.
During the course of his investigations into her death, Detective Sergeant Danny Warren uncovers a tangled web of lies, deceit and corruption which show that Molly's death is just a small part in what turns out to be a much larger series of crimes that spread out right across Europe and North Africa.
The further he gets into his investigation, Danny realizes he will need all his detection skills and all of the forensic expertise he can get hold of to find Molly's killer and bring him to justice.
However, just when Danny thinks his investigation has stalled, help comes from a very surprising source.