When Royal Air Force pilot Lt. Kate Sinclair is shot down over Afghanistan, she finds refuge in an abandoned underground bunker where deadly man-made biological weapons - half human, half alien - are awakened.

Hellboy comes to England, where he must defeat Nimue, Merlin's consort and the Blood Queen. But their battle will bring about the end of the world, a fate he desperately tries to turn away.

A mysterious criminal steals a secret state-of-the-art time machine, intent on destroying America as we know it by changing the past. Our only hope is an unexpected team: a scientist, a soldier and a history professor, who must use the machine's prototype to travel back in time to critical events. While they must make every effort not to affect the past themselves, they must also stay one step ahead of this dangerous fugitive. But can this handpicked team uncover the mystery behind it all and end his destruction before it's too late?

A man struggling with his faith is haunted by the sins of his past but is suddenly thrust into the role of defending humanity from the gathering forces of darkness.