Nikki has a breakthrough and edges ever closer to the truth as they confront a key witness. Who can the team believe and, more importantly, who can they trust?

Anna Kitson, Anthony Cozens, Arkar Hayne, Cavan Clerkin, Julie Graham, Matt Hermiston, Molly Harris, Nay Windermere, Robert Pavey, Rocky Marshall, Sean Pertwee, Senora D'Mello, Tessa Wong, Vinna Law, William Nadylam, Zoe Boyle, ZuZuu Ellis