Deep in the mountains of Pennsylvania, John is a small mining community's only defense against an ancient Welsh spirit. John finds a vital new ally in a mysterious woman named Zed.

John and Zed face down evil to save a woman and her family from sinister forces, forcing John to confront the darkness in his own life - and Papa Midnite.

Constantine's old friend Gary Lester unleashes a powerful demon in Atlanta.

Constantine forms an unholy alliance with Papa Midnite when a ritual turns deadly.

When a young boy is taken over by a malevolent spirit, John must put aside his misgivings over exorcising a child and convince the parents that their boy is not all that he seems.

Zed has a bizarre vision of snakes that leads her and John to a small town where a preacher has mysteriously gained the miraculous ability to heal his congregation.

When an ancient evil surfaces in Mexico, an old friend of John's ends for his help bringing him close to the source of The Rising Darkness.

In order to fend off a vicious attack, John summons a demon into himself. Chas, Zed and Anne Marie race against time to save John before it’s too late.

When thousands of people in New York slip into a mysterious coma, John must find the evil behind it and defeat it before it consumes the city.

John helps his old University friend Ritchie Simpson, whose students have found a way into an alternate dimension only to unleash a maniacal killer.

When John enlists an unwitting Manny to investigate an ancient evil that's resurfaced in a hospital, a health scare causes Zed to question the source of her visions.

John and Zed return to New Orleans when Detective Jim Corrigan asks for their help in the case of a missing girl. Papa Midnite takes steps toward exacting his revenge on John and the truth behind the Rising Darkness comes to light.