If you’ve ever had to work late, you likely will empathize with the protagonist in “After Hours.” Having to make an overnight deadline is not fun for him. But for us looking on, it’s a scream. WAM Productions of Mesa, Arizona, shot this three-minute horror flick using an iPhone 7. The film—an entry in the Moment Halloween Contest— was completed in just 33 hours.

The editors of MobileMovieMaking have chosen “After Hours” as the Mobile Movie of the Week.