Apprentice healer Lassair heads on a perilous journey north in the absorbing new Aelf Fen medieval mystery.

October, 1093. Two young men have been brutally beaten to death; a third viciously attacked. All three men are of similar appearance. But could there be another connection?

Lassair meanwhile has agreed to accompany her former lover Rollo on a perilous journey north in search of King William. On their trail is a skilled, relentless and ruthless assassin. Who is he, and why has he targeted Rollo? If they are to survive, the hunted must become the hunters: Rollo and Lassair must lure their pursuer to the treacherous fenland terrain Lassair knows so well and turn the tables on their would-be killer.