When the world's defenses fail against the threat of alien sea creatures, the task of saving the planet falls to a former pilot and a raw trainee.

A prince of the mythical world starts a rebellion against humanity in order to rule the Earth. Hellboy and his team must fight to stop him from locating the all-powerful Golden Army.

After searching for an old friend, Blade forms an alliance with his adversaries to fight a deadlier threat that threatens both vampires and humankind.