Martial-arts superstar Donnie Yen squares off against Mr. 666 -- better known as Old Scratch to the rest of us -- in this action-packed, supernatural, kung-fu masterpiece. Get out the liniment and the smelling salts because there's plenty of butt kicking (not to mention flying fists galore) when these two formidable adversaries mix it up in a righteous battle of good vs. the darkest evil. Who will prevail?