Dylan O'Brien goes on a mind-bending odyssey in the upcoming thriller Flashback
O'Brien plays Fredrick Fitzell, who is depressed, dealing with the impending death of his mother and grappling with how best to move forward on the verge of turning 30 and settling down. Then he starts having unexplainable visions of a former classmate, Cindy (Maika Monroe), who vanished in high school.