Convinced that metahumans pose a threat to humanity, T.O. Morrow develops the OMACs, enormous robotic weapons that can detect a metahuman gene and zero in on that person. In the 21st century, the OMACs have evolved into highly efficient killing machines. With metahumans now facing extinction, Robotman volunteers to go back in time and rally the Doom Patrol of the past to help change a pivotal moment in history and thereby save their future.
