Winter 1211. Former abbess Helewise moves back to her cell near Hawkenlye Abbey to help the needy putting a strain on her relationship with Sir Josse D'Acquin who is called to examine the bodies of three men one of whom bears a complicated symbol carved into his chest: a symbol that signifies vengeance. Meanwhile far from home Sir Josse's son Ninian has become involved in the cause of the doomed Cathar people soon to be swept up in a fight that they cannot hope to win.