A dream holiday becomes a nightmare for a young British couple who seemingly have it all, as heartbreak turns into fury and revenge.

The residents of a small town discover that something more sinister than killer wolves is lurking in the backwoods: first the wolves start turning up dead...then people.

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.