An alternate future, where Numbuh 1 declined to join the GKND and stayed on Earth. 3 years have passed since Sector V were blamed for the destruction of the KND C.O.D.E.M.O.D.U.L.E. The five fugitives, now notorious Teen Villains, are reunited in the Arctic Base as they wait for Decommissioning. Now, they must find out what really happened, with the Earth's future at stake.