A couple unable to conceive adopt a girl with a troubled past, who has an imaginary friend called Stevie. After a series of disturbing incidents, they realize that Stevie is all too real.
Two daring test subjects, Adán and Orión, seek to prove the existence of God by submitting themselves to a scientific experiment conducted by a mysterious religious organization.
When Diego rescues Armando from a gang one night it appears that their destinies are intertwined. But is it fate, or are there more sinister forces at work?