It has been 6 months since the alien Invasion of 2018. In that time, the Earth Defense Sector- Tach, Fitz, Suika, John, Andrews, and T- has gone from a barely-functioning group to the world's first superhero team. Now, they are tasked with finding rouge weapons-designer Saeko Nejire, who has been accused of being responsible for several recent terrorist attacks. But the team soon realizes that they have much more than a terror group to deal with, and they might be the only ones who can prevent the Earth from another invasion- and this time, they have much less to work with and much less time to prevent disastrous consequences for the entire Human race...