The second instalment in the Archer & Bennett series, from the Sunday Times No. 1 bestselling author, Candice Fox.Most police duos run on trust, loyalty, and the desire to see killers in court. But Detective Frank Bennett's partner, the enigmatic Eden Archer, has nothing to offer him but danger. Eden doesn't mind catching killers - but it's not in the courthouse where her justice is served.And now she is about to head undercover and it's up to Frank to watch over her. But as the darkness around Eden gathers, Frank begins to ask himself: is Eden saving lives, or taking them? Frank is about to find out.