A cave in of a local canal tunnel under restoration reveals the skeletons of eight individuals. While most of the skeletons are from a cave in when the canal was under construction in the 19th century, one is obviously of a more recent vintage. Dental records identify him as Eric Edwards who was reported missing in 1965. Supt. Barnaby delves into the history of the canal to see...。本片根据真实事件改编而成。故事发生在1982年的夏天,皮特和他的朋友们经常在晚上去铁道边玩耍,借此消暑纳凉打发时间。一天晚上,他们粗心大意的搬动开关,致使一辆火车出轨,并导致列车长身亡。随后这些少年们被送上法庭,尽管他们当时只有14至16岁,但鉴于后果严重,法官还是将其当作成人来审判,少年们最终为自己的过错付出了惨痛代价。。