Hairstylists are running scared as the second in their circle, poor Gloria Baggot, is found brutally slain in a shower stall. She lathered her own death into her hair.

As DI McLaughlin and team struggle to find a connection between the two victims, they are pulled from the salons into a world of secret conspiracies, unearthing mysteries rooted in Ireland's ancient past. Is a deranged killer seeking revenge for a bad perm, or was Gloria's murder a chilling rite millennia in the making?

The intrepid Major Investigation Team race to untangle fact from myth and stop a monstrous offender before history repeats itself.