Five days after successfully rescuing Quinn Ergon from her prison, Gary Goodspeed, the Team Squad, and Bolo find themselves trapped within t he horrific dimension of Final Space, with everything being only a question of survival. Pursued relentlessly by Invictus, the newly resurrected Lord Commander, and the Titans, all determined to capture Mooncake to become even more powerful, the Team Squad's only hope is to ally themselves with Earth's last survivor before it's too late.
--Final Space Wiki