November 1915. Into the horror and moral wilderness of the Western Front ventures naïve, young infantry Captain, H. Drake. Keen to make his mark, he finds himself in command of a neglected and isolated sector at the very end of the British line.He soon learns of the legendary Colonel King and his band of vengeful cut-throats who have been carrying out a series of ritualistic and bloody murders …… but in a place of such industrialised death, who are the real killers - and where does the truth behind their motives lie - the only clue Drake has to work on … what is BK?His own survival depending on it, Drake, very much the unintentional detective, must investigate the deaths, search for the infamous Colonel King, while re-evaluating his own values in this exploration of man’s capacity for inhumanity to man …