In a post-apocalyptic future, the world has been besieged by intelligent, fire-breathing dragons. A survivalist and a military man clash as they lead one of the last few vestiges of humanity in an all-out war against the vicious prehistoric beasts.
In an effort to eradicate virus-carrying roaches, an entomologist unknowingly creates a species of giant bug that feasts on human flesh. When bodies start to pile up, she wages a war on the beasts in the dank regions of New York's subway tunnels.
A knight and his new apprentice battle a malevolent witch plotting war against mankind. However, their quest is complicated by the apprentice's secret past and his love for a woman accused of witchcraft.