Detective Kat Donovan is confronted with her past when she encounters the man she once loved - and learns some news about one she loathes.

Cast: Rudi Dharmalingam, Grace Keeling, Rosalind Eleazar, Matt Willis, Mary Malone, Jessica Plummer, Raymond Anum, Catherine Ayers, Richard Armitage, Charlie Hamblett, Simon Kunz, Ashley Walters, Lenny Henry, Brigid Zengeni, Jo Martin, Naomi Wirthner, Felix Garcia Guyer, Alice Offley