In the year 2049, ten-year-old Brian is thrust into crisis when gigantic ant-like aliens invade Earth to capture children as a food source for their young. With his elementary school reduced to rubble, Brian learns his little sister, Amber, is among the captives. His family reveals a secret friendship with a man from another planet who is familiar with the unmerciful assault these aliens are known for. Brian and his little brother must find and rescue their sister as well as dozens of other children stolen by the invading aliens before they all become food, and in doing so, might even help...