A key witness in the people trafficking case goes missing, and Sgt Smith finds himself on trial.
Final appearance of Claire Goose (Insp Rachel Weston) prior to a period of maternity leave.
This was the last episode in the twice weekly 8pm slot.
- Alex Walkinshaw as Sgt Dale Smith
- Sam Callis as Sgt Callum Stone
- Simon Rouse as DCI Jack Meadows
- Andrew Lancel as DI Neil Manson
- Lucy Speed as DC Stevie Moss
- Claire Goose as Insp Rachel Weston
- Graham Cole as PC Tony Stamp
- Dominic Power as PC Leon Taylor
- Clare Foster as PC Millie Brown
- John Bowler as PC Roger Valentine
- Micah Balfour as PC Benjamin Gayle
- Daniel Flynn as Supt John Heaton
- Cat Simmons as DC Kezia Walker
- Gary Lucy as TDC Will Fletcher
- Doug Rao as DS Stuart Turner
- Rhea Bailey as PC Mel Ryder