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 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。
Martin drives Louisa and their baby son back to her house in Portwenn,where the locals bring them presents. Diana Dibbs, Martin's nervous replacement,has already arrived,with her husband Gavin as her receptionist but Martin is not impressed by her competence - especially as she seems to have numerous ailments herself. Then he learns that Joan has died,causing him to stay for a ...