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.
When the crew of the Enterprise is called back home, they find an unstoppable force of terror from within their own organization has detonated the fleet and everything it stands for, leaving our world in a state of crisis.
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.
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.
A DEA agent and an undercover Naval Intelligence officer who have been tasked with investigating one another find they have been set up by the mob -- the very organization the two men believe they have been stealing money from.
Have you watched History of Pets yet? What did you think about it?