A convicted arsonist, son of a notorius criminal, is freed after it is discovered that he committed another crime when a fire was started in a school which burnt the caretaker.
UCOS is asked to re-investigate and discover who really did it.
Halford is determined to nail a vicious criminal who has so far eluded him and in doing so he puts himself in grave danger.
But the team get distracted by other things and take their eye off the case, leading Pullman to become increasingly frustrated and weigh up an opportunity that could end her time in UCOS.
Episode Viewers and Ratings
Season 3 Episode 8 of New Tricks resulted in a 0.00 rating in the 18-49 demographic.
New Tricks follows the work of the Metropolitan Police Service's Unsolved Crime and Open Case Squad (UCOS). Led by Detective Superintendent Sandra Pullman, it is made up of retired police officers who have been recruited to reinvestigate unsolved crimes.
The series title is taken from the popular expression "You can't teach an old dog new tricks". The "old dogs" are successful in adapting their skills and experience to modern policing, with their knowledge of past cases proving especially useful.
New Tricks - Congratulations Synopsis and Schedule