Simon is a timid man, scratching out an isolated existence in an indifferent world. He is overlooked at work, scorned by his mother, and ignored by the woman of his dreams. He feels powerless to change any of these things. The arrival of a new co-worker, James, serves to upset the balance. James is both Simon's exact physical double and his opposite: confident, charismatic and good with women. To Simon's horror, James slowly starts taking over his...

Haunted by trauma from her past and compounded by a string of eerie coincidences, Adelaide grows increasingly certain that something bad is going to befall her family. After spending a tense beach day with their friends, Adelaide and her family return to their vacation home. When darkness falls, the Wilsons discover the silhouette of four figures holding hands as they stand in the driveway: doppelgangers of themselves.

Filmy spores fall from space over San Francisco, and the city blossoms with beautiful new flora. People take the flowers home and as they sleep, the plants creep over them, devouring their bodies and stealing their identities--including their emotions, their uniqueness and their souls.