In the summer of 1983, a 17-year-old Elio spends his days in his family's villa in Italy. One day Oliver, a graduate student, arrives to assist Elio's father, a professor of Greco-Roman culture. Soon, Elio and Oliver discover a summer that will alter their lives forever.
An American couple, Paul and Marianne, spend their vacation in Italy and experience trouble when Marianne invites a former lover and his teenage daughter to visit, which leads to jealousy and dangerous sexual scenarios.
Following the arrest of her mother, Ramona, young Vanessa Lutz decides to go in search of her estranged grandmother. On the way, she is given a ride by school counselor Bob Wolverton. During the journey, Lutz begins to realize that Bob is the notorious I-5 Killer and manages to escape by shooting him several times. Wounded but still very much alive, Bob pursues Lutz across the state in this modern retelling of Little Red Riding Hood.
