New Tricks returns for its eleventh series and Dan Griffin, Steve MacAndrew and Gerry Standing are back investigating cold cases under the watchful eye of their boss DCI Sasha Miller. Gerry goes back to his roots in Bermondsey when his youngest daughter decides to get married and while he's there an old friend asks for help to find whoever murdered his grandson. Meanwhile Sasha finds it tricky working with her ex-husband and fellow police officer, DAC Ned Hancock, Steve's parenting skills are tested when his son falls foul of the law and Dan Griffin needs some cheering up from his colleagues when his daughter, Holly leaves home for university. The team investigates a wide variety of crimes from the death of a young A&E doctor to an international interpreter with a passion for chess, there's an occult mystery that leads the team to the underground river fleet and there's the murder of a pub landlord where Gerry and Steve end up in an English vineyard. They also have to go back in time to investigate the mysterious deaths of an anti-nuclear activist, a local bobby from the 50's whose wife is now in a care home suffering from dementia and a schoolgirl from the 80's whose ascetic father has a secret to hide. Throw in some Roman re-enactment, some black market steroids, the death of one of Griffin's friends and a difficult reunion between Steve and his father and you have another compelling ten episodes of New Tricks.