For a deep dive into the plot and its supernatural elements in Hindi, check out these explanations: Constantine (2005) Movie Explanation [ Hindi ] Ghost Series YouTube• Nov 17, 2018

: After the apparent suicide of Isabel Dodson, her twin sister, Detective Angela Dodson ( Rachel Weisz ), enlists John's help to prove Isabel was actually murdered.

: John is terminally ill with lung cancer and is destined for Hell because he attempted suicide as a teenager—a mortal sin in the film's universe. He hopes that by exorcising demons, he can "buy" his way into Heaven.

: To stop the apocalypse, John sacrifices himself to summon Lucifer ( Peter Stormare ). His selfless act earns him a place in Heaven, but a spiteful Lucifer heals his cancer and restores him to life, hoping he will eventually damn himself again.