We live in a world where there are those among us who can make leaps back in time. Time-travel is not only possible, but its use puts the past, present and future at risk. Michael Swann has discovered the curse of leaping and turned his back on it. Having exposed the truth behind a twisted military program, the Tempus Project, Swann is now on the run. Choosing live his life away from the world he left behind, everything at last feels normal. With his lover by his side Swann has become an anonymous face in the crowds, but all that is about to change. When a face from his dark past at Tempus appears, injured and bloodstained, Swann has little choice but to go back into that world. With everything he holds dear now at risk, Swann must decipher the mystery of the Legacy Killer, an unknown murderer whose twisted trophy collecting killings span not only decades but centuries. What do the killings have to do with Swann and his ability? By chasing the shadows of the past, will it secure his freedom? Follow Swann as he delves deeper into the past to discover the truth. Collapse adds to the world first introduced in Blackout but goes beyond the confines of a clandestine military project and brings the danger of interfering with the past to a worldwide stage. In an epic cat-and-mouse chase Swann will travel back to Feudal Japan, Chernobyl, war-ravaged Poland and Medieval Castles to save the world he holds closest. Collapse is an action-filled and emotional journey to the darker places of history chasing shadows of the present.