Season 6, Episode 1: Season Premiere
Brian reluctantly checks into a rehab clinic run by monks to get treatment for his alcohol addiction. After hearing about the unsolved death of a heroin addict, he calls in his UCOS colleagues to investigate, despite the fact that his wife forbade it. Gerry goes in undercover as a sex addict to try and piece together exactly what happened.
A motley crew of retired police officers re-opens troublesome cases that were never laid to rest.