An off-duty detective gunned down. A dead woman. A missing student. And now, a former policeman in search of his past. Dead or alive, something connects these people, and it's up to D.I. Carl Sant to discover what it is.

A series of cold-case inquiries leads D.I. Sant and his colleagues to investigate a botched assassination plot dating back to the 1980s. The deeper they dig, the more secrets are revealed, including shocking connections to the infamous National Front.

Meanwhile, the memory of former P.C. Tanner, survivor of the assassination, is recovering. Sant must find Tanner and figure out who is behind it all, before his superiors lose their rag and more lives are lost.