Behemoth (2021)

Joshua Riverton (Josh Eisenberg) spent 10 years working for a global chemical behemoth, notorious for their environmental negligence. When his daughter develops a mysterious illness, he steps forward as a whistle-blower, throwing his life into chaos. He's convinced that his company's negligence has made his daughter sick, and there are dark forces hiding the truth. When given the chance to confront his old boss, Dr. Woeland (Paul Statman), he allows a standoff to escalate into violence, and Josh is shot in the process. Now Josh is on the run, eating painkillers, and holding Woeland hostage. Josh demands answers about his daughter's illness, but with each passing moment around Woeland, Josh's grasp on reality begins to unravel. Is it the painkillers, or is Woeland more than he seems? Are the dark forces all in Josh's head, or has he stumbled onto a terrifying league of evil?