Check out the brand new trailer for Lionsgate’s upcoming horror film, “The Quiet Ones,” which just debuted exclusively on YouTube. Inspired by true events, this film follows a group of students who participate in a dangerous experiment to create a poltergeist. The students begin performing a series of tests on a young woman, pushing her to the edge. Quickly they realize they’ve triggered an unspeakable force more terrifying and evil than they ever could have imagined. From the producers of “Let Me In” and “The Woman in Black,” “The Quiet Ones” looks to be one scary movie, and it premieres April 25.