What Will SurviveDCI Banks struggles to cope with the sudden death of his mother, as he investigate.

本剧基于Peter Robinson的侦探小说改编。两名警察接报后，来到一户人家处理家庭纠纷问题，然而随着他们的调查深入，他们发现了连环杀手的身份，结果让两人都异常震惊。