A murderer finds himself on trial in Hell, caught between a bitter prosecutor and an inexperienced defence attorney. The trial spins out of control when a powerful demon, Lucifer and people from the killer’s past become involved.

A 14th century Crusader returns with his comrade to a homeland devastated by the Black Plague. The Church commands the two knights to transport a witch to a remote abbey, where monks will perform a ritual in hopes of ending the pestilence.