About 45,000 years ago, a desperate band of early humans find a new land to settle on. As they start to realise that something monstrous is hunting them down, they must confront a horrifying danger that they never could have imagined.

About 45,000 years ago, a desperate band of early humans find a new land to settle on. As they start to realise that something monstrous is hunting them down, they must confront a horrifying danger that they never could have imagined.