Crime reporter, John Moore, meets with psychologist, Dr. Laszlo Kreizler, to investigate a serial killer in New York during the late 19th century.

When they were twelve years old, Mark, Pru, Danny and Slade were out together in the park. Mark’s five-year-old brother, Jesse, was annoying them. They were mean – told him to get lost. Jesse ran away. He was gone. Never seen again. Twenty years later, Danny – now a detective – learns some shocking news. Jesse’s DNA has been found at a murder scene. He is alive and out there. Somewhere.

Autobots and Decepticons are at war, with humans on the sidelines. Optimus Prime is gone. The key to saving our future lies buried in the secrets of the past, in the hidden history of Transformers on Earth.