When Detective Cormac Reilly's girlfriend Emma stumbles across the victim of a hit and run early one morning, he is first on the scene of a murder that would never have been assigned to him.
The investigation promises to be high profile and high pressure: the dead girl is carrying an ID, that of Carline Darcy, heir apparent to Ireland's most successful pharmaceutical company. Darcy Therapeutics has a finger in every pie, including the laboratory where Emma works.
As Cormac investigates, evidence mounts that the death is linked to the lab and, increasingly, to Emma herself. Cormac is sure she couldn't be involved, but how well does he really know her? After all, this isn't the first time Emma's been accused of murder . . .