Elliot Richardson, a socially awkward IT worker, is given seven wishes to get the girl of his dreams when he meets up with a very seductive Satan. The catch: his soul. Some of his wishes include being a 7 foot basketball star, a wealthy, powerful man, and a sensitive caring guy. But, as could be expected, the Devil must put her own little twist on each his fantasies.

In the final days of World War II, the Nazis attempt to use black magic to aid their dying cause. The Allies raid the camp where the ceremony is taking place, but not before a demon - Hellboy - has already been conjured. Joining the Allied forces, Hellboy eventually grows to adulthood, serving the cause of good rather than evil.