David and Cain can’t remember who they are - even though they share the same body and psyche. Working for a paranormal and extra-terrestrial agency, they delve into the mysteries of their pasts and how they arrived at the present... In this unsettlingly schizophrenic, near-future detective story, David and Cain continue to uncover the conspiracy around them, while the scheme itself pushes back. Gritty, noir and fiercely intelligent, action and mystery combine to provide a taut and original thriller. Will David/Cain find out who they are, or will they just keep travelling Sidewards?