Big money artists and mega-collectors pay a high price when art collides with commerce. After a series of paintings by an unknown artist are discovered, a supernatural force enacts revenge on those who have allowed their greed to get in the way of art.

A priest with a haunted past and a novice on the threshold of her final vows are sent by the Vatican to investigate the death of a young nun in Romania and confront a malevolent force in the form of a demonic nun.