In June 2012, high school graduate Jesse Arista lives with his father, sister and grandmother in Oxnard, California. He begins to enjoy the summer with his best friend, Hector. In the apartment below lives a mysterious woman named Ana, who everyone believes to be a witch. When Ana is found murdered, Jesse and Hector spot classmate Oscar running from the scene, suggesting he was responsible. The two investigate the apartment, where they find black magic items, as well as VHS tapes and a journal of spells that can "open doorways to unholy lands." After Jesse, Hector and their friend Marisol try out a ritual, paranormal occurrences gradually begin to take place in Jesse's apartment. One night, the trio begin to communicate with an unknown entity through a game..