As demon hunter john constantine. the matrix's keanu reeves fights a new otherworld foe in this eye-opening supernatura; thriller based on characters from the dc comics aertigo hellblazer graphic novels and set in a city of the angels where spirit-world bounds have broken...and all hell is breaking loose. armed with a shotgun and assisted by an intrepid cop (rachel weisz), he;s a spiritual warrior gone to apocalyptic war. be glad he's on your side.