Towards Zero adopts a play-like structure, beginning with a Prologue which is dated November 19th, in which a conversation among lawyers inevitably centres on crime and other related issues. Old Mr. Treves, a famous member of a solicitor firm, is sharing his experience and recollections with other members of the group. The content and direction of this conversation sets the frame for the rest of the story, which ends in “Zero Hour”.
In the conversation, one of the things raised by old Mr. Treves is the difference between a crime in fiction and a crime in reality. Whereas a murder story always begins with a murder and works towards the unravelling of that crime; in real life, things begin a long time …
Lee, Amy. "Towards Zero". The Literary Encyclopedia. First published 11 September 2003
[https://www.litencyc.com/php/sworks.php?rec=true&UID=8414, accessed 17 January 2018.]