Martin and Hayley persuade Carl to go undercover to get a confession from Kate, hoping she will confess to the murders of both Anna Boruk and Gemma Hillman. The surveillance team prepare for their biggest operation yet with all eyes on Westbury Street and the Tuckman house.

Cast: Noel Clarke, Alexandra Roach, Dominic Allburn, Fehinti Balogun, Emily Brady, Kalia Brooks, Kíla Lord Cassidy, Lucy Chambers, Phil Davis, Maud Druine, Marcus Garvey, Hubert Hanowicz, Andrew Hawley, Karen Henthorn, Sia Kiwa