It is up to the Peregrine Falcons Squad, who are now joined by two new characters: Eri Kasamoto and Fio Germi of the Sparrows Intelligence Unit, to save the day.Īs the levels unfold, it turns out that Morden has allied with Martians to help facilitate his plans. General Morden, the antagonist from the first game, is back once more with his army bent on taking over the world.