The universe was vast and mysterious,full of incomprehensible powers,but one of the most feared entities,the Dominant Force,had never found rest.After the defeat on Earth,their leaders,Kany and Argona,together with their son Ayno,sought a new way to rise from the ashes of defeat.They did not fear the power of the family led by Brian Man and Lamia,even though these forces of good now dominated the Earth.They knew that the war was never truly over.In the dark depths of the planet Xyron,a place forgotten by most intergalactic civilizations,the Dominant Force has regained its powers.A frozen and inhospitable landscape hid massive underground cities,where architects of chaos prepared their mental and technological weapons that would overthrow the cosmic order.Beyond the infinite horizons,on Earth,quiet reigned temporarily.Twins Aria and Niko,along with their telepathic sisters Ran and Run,were growing up under the tutelage of old heroes, Brian Man and Lamia.But even in this apparent paradise, they felt the threat approaching.The twins' unsettling dreams of the Force Dominators and Aria's visions were clear signs that evil had not been destroyed for good.