Nico Albert is a very peculiar character teenager, with exceptional intelligence and a single obsession: chess. His parents, concerned about the anomalous attitude of his son, child psychologist hired Julio Beltran. Through therapy and common hobby chess, Julio will delve into the disturbing world of Nico and the complex relationships of this seemingly normal family.
A parasitic alien soul is injected into the body of Melanie Stryder. Instead of carrying out her race's mission of taking over the Earth, "Wanda" (as she comes to be called) forms a bond with her host and sets out to aid other free humans.
Ray Breslin is the world's foremost authority on structural security. After analyzing every high security prison and learning a vast array of survival skills so he can design escape-proof prisons, his skills are put to the test.
Teacher Linda Sinclair (Julianne Moore) balances her staid home life with an incredible passion for her subject, but her routine is forever altered when a former star pupil and his unsupportive father reenter her life.
Life for former United Nations investigator Gerry Lane and his family seems content. Suddenly, the world is plagued by a mysterious infection turning whole human populations into rampaging mindless zombies.