All In A Day's Work The Bill : Season 18 Episode 78

Gina and Gemma visit a local school to investigate reports of drug dealing. Osbourne runs into teacher friend of hers, Caroline Cotton who passes on a pornographic tape she confiscated from a pupil. Gemma passes the tape onto CID but when Caroline arrives at the station Gemma decides to take Phil down a peg or two by setting him up with her lesbian friend.