The earth mother gave birth to three young girls, and in them lay the secret of the dimension. As long as the master of the dimensional mystery can master the fate of the earth, the evil dimensional beasts know these, they Abduct the earth maiden and lock them in the most dangerous place in the universe, this place is the great source. The legendary source of great attraction is the place full of the greatest gravity, because this powerful gravity can not even escape light, so people do not know the mystery of the source of great attraction, only know that our Milky Way galaxy has been around this powerful source of gravity. Enter, my warriors, into the great attractor, save the earth maiden, and save the future of mankind!