The Covenant: Brotherhood Of Evil torrent

The PR David Goodman expects to be promoted in the agency where he works but he loses the opportunity to his colleague Tony. While upset at home with his wife Lisa, David sees a man near his car; when he approaches, the stranger sprays some chemicals on his face and David becomes blind. Later David receives a message in his answering machine with the proposal of Dr. Guillermo List for recovering his vision and he offers anything to regain his sight. Dr. List gives an ancient cane with a devil face to David that recovers his eyesight but is possessed by an evil demon, ascending in his career but with a high-price.

http://www.imdb.com/title/tt0480516/plotsummary