Moritz and Karl have a boring job at an advertising company. One day they meet an obscure agent of a rival company who wants to buy information about an advertisement campain their company is working on. Having no access to this plans they have no choice but to make up a fake campaign.
Constantine tells the story of John Constantine, a man who has literally been to Hell and back. When he teams up with a policewoman to solve the mysterious suicide of her twin sister, their investigation takes them through the world of demons and angels that exists beneath the landscape of contemporary Los Angeles.
After their father (Tim Robbins) is called into work, two young boys, Walter (Josh Hutcherson) and Danny (Jonah Bobo), are left in the care of their teenage sister, Lisa (Kristen Stewart), and told they must stay inside.