Os militares tentam a todo custo evitar o alastramento de um vírus, que está se espalhando devido a um satélite que caiu em uma pequena e remota cidade.
In the cramped confines of her apartment, a woman cares for her disturbed, elderly mother, feeding her through a bottle and keeping her from crawling out of the window by tying her to a table. Through the woman's daily rituals come traces of a deep, troubled history which binds her to her mother and which might ultimately force her to make a fateful decision.
Ethan Carver lives on. He is hiding out in the woods at Emerald Lake, watching silently as a group of campers spends a carefree weekend. One by one, Ethan stalks and kills them. With no shelter, no communications and no transportation, the campers are all alone, facing off against an unstoppable murderer.
After his mother dies, Dan McCarthy returns to his upstate New York family home hoping to find out why his older brother Robert was not at the funeral. Once a promising pianist, Robert now drives a delivery truck when not hassling his girlfriend Julie. Dan hangs out with the two for several days while repairing his car. At a lake one night, Robert threatens Dan and Julie with a gun, triggering flashbacks to his father's suicide.