"Basically, the set of 'Dumb and Dumber' was famously a haunted set," Kwan said, and Carrey wanted Daniels to film a found-footage horror-comedy on the set. Carrey wanted the duo to make a feature-length, behind-the-scenes film that slowly transforms into a horror film. “We’re like, ‘Ok, we’re in. This is amazing,’” said Kwan. “We wrote a whole outline.”