The Bill - Season 26 Episode 7 Crossing The Line
Overview: Clarinda Blake and Tim Hardacre are seen arguing in an alley by Callum on his way home after a night out. Callum ends up being beaten up when he tries to defend the girl. When she is questioned Clarinda insists she was the victim of a mugging. It is soon revealed that Clarinda's son Andy had been dealing drugs for Tim and when she found out, she confronted the man. When Tim ends up being released Callum decides to track him.