Bancroft helps Katherine and Anya with the Fraser case, but they are struggling to find any worthwhile forensic evidence. Katherine and Joe’s relationship progresses, whilst events take a grisly turn for the Kamara family – forcing Bancroft to offer Daanish a deal. Laura’s former husband Tim Fraser is reluctant to help with Laura’s cold case, but an unexpected visit changes his mind. Katherine and Anya make some game-changing discoveries.