This action-packed prequel novella set in the Endgame world concludes the digital original series the Zero Line Chronicles, and follows an underground group determined to put a stop to Endgame—and save the world—at any cost. They call themselves the Zero line.

Endgame has not yet begun in 1972—but it is coming. Mike Stavros has joined a group determined to stop Endgame by hunting down a generation of Players who preceded the Players in Endgame: The Calling. In this thrilling conclusion to the Zero Line trilogy, Mike Stavros and other members of the Zero line travel to the 1972 Olympic Games in Munich to stage a fake Calling. But confronting the Players, and stopping Endgame, is more dangerous than they ever imagined.