Following the events of Age of Ultron, the collective governments of the world pass an act designed to regulate all superhuman activity. This polarizes opinion amongst the Avengers, causing two factions to side with Iron Man or Captain America, which causes an epic battle between former allies.
Beatrice Prior and Tobias Eaton venture into the world outside of the fence and are taken into protective custody by a mysterious agency known as the Bureau of Genetic Welfare.
In 1979 Ohio, several youngsters are making a zombie movie with a Super-8 camera. In the midst of filming, the friends witness a horrifying train derailment and are lucky to escape with their lives. They soon discover that the catastrophe was no accident, as a series of unexplained events and disappearances soon follows. Deputy Jackson Lamb, the father of one of the kids, searches for the terrifying truth behind the crash.
