Watch the unsettling trailer for this upcoming thriller starring Dylan O'Brien, Maika Monroe, and Hannah Gross.

Fredrick Fitzell (Dylan O'Brien, The Maze Runner franchise) is living his best life ― until he starts having horrific visions of Cindy (Maika Monroe, It Follows), a girl who vanished in high school. After reaching out to old friends with whom he used to take a mystery drug called Mercury, Fredrick realizes the only way to stop the visions lies deep within his own memories, so he embarks on a terrifying mental odyssey to learn the truth. This mind-bending thriller also stars Hannah Gross (Joker) and Emory Cohen (Brooklyn).

The movie, directed by Christopher MacBride, arrives in select theaters and on demand on June 4, and on Blu-ray, DVD and Digital on June 8, 2021.