Plot Summary:Gerry is approached by Ralph Paxton, a boyhood friend who became a career criminal and was imprisoned for a jewel robbery. Ralph believes that his grandson, architecture student Jake was murdered by his partner in crime Wayne Pelham because the boy discovered the loot hidden in a tower block due for demolition. After interviewing Jake's brother and his college tutor the team locate Pelham, who informs them that others knew about the hidden jewels. The team eventually end up with two prime suspects, both of whom believing that they were acting out of principle, though one is the killer. Gerry also has to overcome his dislike of the solicitor to whom his daughter Caitlin is getting married.
BBC的关于大都会警察局“悬疑旧案”部门的喜剧。小组的头是女DS桑德拉普尔曼,既然是和旧事有关,索性就招聘了3个退休侦探:杰克把死去的爱妻埋在后院每天和她聊天,盖里年轻时有名的花心如今要和三个前妻四个女儿共进晚餐,布莱恩是个强迫症、前酒徒和阴谋论者。标题取自一句老话:“You can't teach an meijubar.net old dog new tricks(老家伙学不来新窍门)”。这帮老家伙却成功地在新时代用他们的经验和技,那些疑难案件正中了看似过时的老窍门的道。