As the team delve deeper into the circumstances surrounding Suzy's death, details of her torrid emotional state reveal a surprising new line of enquiry. Elsewhere, Staffe is forced to confront the devastating fallout from his recent actions.

Cast: Tom Riley, Michele Austin, Alex Carter, Gregg Chillin, Stephen Kennedy, Jefferson King, Charles Lawson, Leon Lopez, Jason Maza, Anjli Mohindra, Miranda Raison, Adam Ward