A group of neuropsychology graduate students work to unlock the potential of the brain. One student, Adam, takes his lab work too far. When his self-induced experiment goes wrong, he unwittingly unlocks repressed memories and begins to be haunted by disturbing visions. As Adam digs deeper, he finds that there is someone who doesn't want him to uncover the sinister truth. Adam and his friends must work together to help him confront his recollections and figure out what is truth and what are lies before it's too late.

After the disappearance of their eight-year-old daughter, Ben and Sofia return to the location where they lost her two years ago. When Sofia befriends a young woman on the beach, it becomes clear that their intentions are much more malicious and complex than friendship. As more girls are dragged into their prostitution ring, Ben becomes entranced with Amanda, a woman with the mental capacity of an eight-year-old that reminds him of his missing daughter, Mia. While Sofia has other plans for her, Ben acts as a protector until Amanda's parents show up to forcefully take her back and break up the couple's lucrative business.

At a highway rest stop, a meek professor turned best-selling spy novelist summons the courage of his alter-ego/nom de plume to rescue a women from being beaten to death.