Killerhertz (2020)

Plot

After her boyfriend develops an app capable of contacting the dead, Casey finds herself grappling with the terrifying fallout. As supernatural forces invade her life, she uncovers dark secrets tied to the app's origins. The once-exciting possibility of communicating with spirits quickly spirals into chaos, threatening not just her relationship but her very existence. As Casey races against time to reverse the damage, she must confront the eerie truth behind the technology and the spirits it unleashes. The stakes rise as she fights to reclaim her life from the shadows.