A serial killer named The Shark is terrorizing London by killing his victims with a speargun and then, dressed in a scruba-diver's wetsuit, using the city's sewer tunnels to make his getaway. Inspector Wade of Scotland Yard is assigned to the case, and he begins to suspect that the Shark is tied in with a smuggling ring the authorities believe is run out of a dive on the Thames waterfront called The Mekka. 译文(2): 一个名叫“鲨鱼”的连环杀手正在恐吓伦敦，他用鱼枪杀死受害者，然后穿着潜水服，利用城市的下水道逃跑。伦敦警察厅的韦德探长被指派调查此案他开始怀疑鲨鱼号与一个走私集团有关当局认为这个走私集团来自泰晤士河沿岸一个名为 Mekka 的潜水点。
