In the year 2020, Earth was overtaken by alien life forms. Humankind barely survived by retreating to undersea colonies 'Aqua-bases'. One hundred years later, the survivors prepare to retake earth in a bid for a brighter tomorrow. To this end, the Angel Project fields a team of five cybernetically enhanced female soldiers. They are Earth's guardian angels and Voogie is the leader of the team. Specifically trained for the purpose of carrying out guerrilla attacks against Earth's alien invaders, a fighting force that represents Earth's last hopes is born.