Cassie prepares for the most challenging investigation of her lifetime; Rob hits rock bottom.
Director:
Rebecca Gatward
Cast:
Sarah Greene
Killian Scott
Antonio Aakeel
Moe Dunford
Vanessa Emme
Jonathan Forbes
Jonny Holden
Sam Keeley
Charlie Kelly
Ian Kenny
Peter McDonald
Leah McNamara
Alexandra Moen
Eugene O'Hare
Conleth Hill
Tom Vaughan-Lawlor