Nelson, a young drug addict, can't wait to get his fix of heroin. Among Lamson's junkies, he's squatting in a disused factory when something in the sky disturbs him...

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The night is well advanced. On the alert, Chuck keeps watch with Leonard, the old blind man. But the calm is short-lived when disturbing noises come from outside the room...

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Chuck has no other choice: he must operate on Ron right away or his friend will die. But the threat of a gun from Leonard, a terminally ill patient, complicates matters...

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At the Albany airport, Leonard eagerly awaits his son and his family to welcome them. On the way home, he has to face a terrible snowstorm, the beginning of a long nightmare...

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Due to Chuck's injuries, Julia takes matters into her own hands. In the hospital's surgical department, she must find a surgeon as quickly as possible to save Ron's life.

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Inside the hospital, Chuck and Julia try to find a doctor to treat Ron. But the situation turns into a nightmare when a wave of injured people invades the premises...

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Arriving in the town of Lamson, Chuck and his group face the chaos that surrounds them. All eyes are on their car, the only one still in working order. The darkness awakens the lowest impulses...

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The survivors of the bloody massacre must escape from the small grocery store. Their world breaks down when a menacing mushroom cloud bursts into the sky...

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After Bryan was seriously injured, Chuck, Ron and Julia decide to go to a grocery store near the accident site to seek help. But their journey is far from safe, as a new danger threatens them as they struggle for survival...

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Chuck Longman, an overworked truck driver, has to deliver an urgent shipment to Albany. While crossing a remote road in Vermont, a strange phenomenon strikes him, plunging the area into darkness...

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