It looked like another ordinary day in Los Angeles. Then night came...Evil as old as the centuries has descended upon the City of Angels - it comes as a kiss from the terrifying but seductive immortals. Slowly at first, then by the legions, the ravenous undead choke Los Angeles with bloodthirsty determination - and the hordes of monstrous victims steadily mount each night.

Facing down an unprecedented malevolent enemy, the government responds with a nuclear attack. America as it was is gone forever, and now every citizen - from the President of the United States to the homeless on the streets of New York City - will fight for survival. In a wasteland born of rage and fear, populated by monstrous creatures and marauding armies, earth's last survivors have been drawn into the final battle between good and evil, that will decide the fate of humanity.

Zephyr, Alabama, is an idyllic hometown for eleven-year-old Cory Mackenson - a place where monsters swim the river deep and friends are forever. Then, one cold spring morning, Cory and his father witness a car plunge into a lake - and a desperate rescue attempt brings his father face-to-face with a terrible, haunting vision of death. As Cory struggles to understand his father's pain, his eyes are slowly opened to the forces of good and evil that surround him.

Writer Bobbi Anderson becomes obsessed with digging up something she's found buried in the woods near her home. With the help of her friend, Jim Gardener, she uncovers an alien spaceship. Though exposure to the Tommyknockers, who piloted the alien ship, has harmful effects on residents' health, the people of Haven develop a talent for creating innovative devices under their increasingly malignant influence.

The cause of the devastation is a phenomenon that will come to be known as The Pulse, and the delivery method is a cell phone. Everyone's cell phone. Clay and the few desperate survivors who join him suddenly find themselves in the pitch-black night of civilization's darkest age, surrounded by chaos, carnage, and a human horde that has been reduced to its basest nature...and then begins to evolve.