During a Little League game, the Abbott family – wife Evelyn, husband Lee, deaf daughter Regan, and sons Marcus and Beau – and other spectators witness a strange asteroid-like object hurtle towards the Earth. Hostile extraterrestrial creatures emerge from the asteroid attack and begin slaughtering people. The blind creatures possess armored skin, have extraordinary speed and strength, and track victims with hypersensitive hearing, attacking anything that makes a noise.