High school sophomore Courtney Whitmore inspires an unlikely group of young heroes to stop the villains of the past.

After a series of worldwide blackouts, millions of mysterious door-like cosmic anomalies appear on Earth. While many flee from them, the real terror sets in when others are drawn into these mysterious voids.

Strange lights descend on the city of Los Angeles, drawing people outside like moths to a flame where an extraterrestrial force threatens to swallow the entire human population off the face of the Earth.