In this heart-pounding apocalyptic thriller from M. Night Shyamalan, the writer-director of The Sixth Sense and Signs, an unstoppable event threatens the world's population by attacking the most basic human instinct of all - survival. Academy Award Nominee Mark Wahlberg (2006 Best Supporting Actor, The Departed) stars as Elliot Moore, an ordinary man trying to save his family from a terrifying, invisible killer. As Elliot discovers the incredible possibility of what is happening, it is clear that no one - and nowhere - is safe.