Hetty goes undercover to a women's shelter in a confidential location - and where no man may enter. Detective Chief Inspector Adams suspects that the shelter's security has been severely compromised by an inside informer. Hetty's quest to find the leak opens her eyes to the terrifying realities of spousal abuse, and results in a gripping conclusion as she leads the women in defending their sanctuary against a violent motorcycle gang.

• David Cook
• John Bowen

• George Costigan
• Anne Reid
• Dominic Monaghan