12 Monkeys is a science fiction show set in the year 2043. A time traveler named Cole must go back to 2017 to stop a group called "The Army of the Twelve Monkeys" from unleashing a deadly virus that eventually killed the majority of human beings on Earth. His partner in trying to find the virus's source is a virologist named Dr. Cassie Rally; as they try to avoid members of the Army of the Twelve Monkeys who try to stop them from foiling their plan to wipe out humanity, they also meet a math expert named Jennifer Goimes.