Night's Black Agents: Solo Ops - Rules of Play says:
Create your own Agent, or take on the role of Leyla Khan – an ex-MI6 officer who must confront her own half-remembered past as a thrall of the vampires! Use the GUMSHOE One-2-One rules, designed for the thrilling intensity of head-to-head play. Navigate complex mysteries with investigative abilities! Overcome challenges with luck and mastery edges! And if you fail, pick up Injury, Heat and Shadow problems that’ll cause trouble later on.