a gripping british lesbian murder mystery that asks what price we are prepared to pay to find out the truth.outcast ashley spencer is in her second career as a rookie police constable in cambridgeshire when she is rammed off the road one terrifying night.forced to rescue her is undercover detective darren "mac" mackenna, who claims to be a passing carpenter. a lifelong loner, mac is leery of all relationships, and has been preoccupied with finding out how a close friend and colleague died.impressed and grateful, ashley uses her skills to track down her anonymous hero. an unlikely friendship forms between the opposite women.still, mac is suspicious: can ashley be trusted, or is she really part of a corrupt network of cops mac is trying to expose? should she trust her head or her heart to find the truth?