New Tricks - Season 7 - Eps 4: Dark Chocolate
A recent rape is linked to two similar attacks at a chocolate factory 10 years previously, leaving the team no choice but to reopen all three cases. The detectives uncover news of an unhappy workforce, learning of an alleged suicide, and their investigation becomes even more complicated when they discover a severed finger was found in one of the company's snacks. After a visit to the doctor, Gerry decides to quit smoking, and instead of resorting to nicotine patches or gum, he enlists Sandra to help him quit
About New Tricks

Title: New Tricks
First Air Date: 2004-01-01
Last Air Date: 2015-09-29
Status: Ended
Rating: 7.4/10 (from 56 votes)
Language: EN
Seasons: 13
Total Episodes: 107
Network: BBC One
Genres: Drama, Comedy
Production Companies: Wall to Wall, BBC
Synopsis
New Tricks is a British comedy-drama that follows the work of the fictional Unsolved Crime and Open Case Squad of the Metropolitan Police Service. Originally led by Detective Superintendent Sandra Pullman, it is made up of retired police officers who have been recruited to reinvestigate unsolved crimes.
Cast

Dennis Waterman
Gerry Standing

Tamzin Outhwaite
Sasha Miller

Denis Lawson
Steve McAndrew

Nicholas Lyndhurst
Danny Griffin