Mark Henderson returns for his most complex, complicated and dangerous case yet. When a body is discovered in New Rock Mark makes a shocking connection to his first ever case that took place thirty years before. Although reluctant to return to the Police Force Mark is forced to for the safety of himself and his colleagues. As Mark bridges the two cases together he begins to realise the murderer is closer to home than he would like to think. Friends become enemies and enemies push Mark Henderson to his limits in his most thrilling case to date.