When the corpses of three police officers are discovered entombed in snowmen, Grace MacBride and her team of crime-busting computer jocks at the Monkeewrench firm are called in to assist. What they discover is a terrifying link among the victims that reaches beyond the badge and crosses the line between hard justice and stone cold vengeance.

When Detective Inspector Bill Reid is found murdered, Chief Inspector Alan Banks, suspecting police corruption, handles the investigation with the utmost discretion until he discovers that Reid's murder is linked to the disappearance of a young English girl six years earlier.