John Constantine 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.

A rare book dealer finds himself at the heart of a string of paranormal events when he is hired to find the last two copies of a text, The Nine Gates of the Kingdom of Shadows, capable of summoning the Devil.

A down-and-out Brooklyn detective is hired to track down a singer on an odyssey that will take him through the desperate streets of Harlem, the smoke-filled jazz clubs of New Orleans, and the swamps of Louisiana and its seedy underworld of voodoo.

In 1979, a group of college students find a Sumerian Book of the Dead in an old wilderness cabin they've rented for a weekend getaway.

After an encounter with UFOs, an electricity linesman feels undeniably drawn to an isolated area in the wilderness where something spectacular is about to happen.