"It's lunchtime. Stand guard."
Tom has given up his dreams to be a star chef and takes a job as a cafeteria cook in a residency for the developmentally and intellectually disabled. There he's met by Daniel, a lifelong resident of Dagmar who witnessed the choking death of his friend during lunch time. Daniel is convinced monsters killed his friend and now stands guard at lunch time trying to prevent the same fate from happening to anyone else.
Tom's arrival and his insistence to change the residency's menu has Daniel convinced Tom is actually a new guard sent to Dagmar to help protect them. And when Tom witnesses some unexplained events followed by the appearance of a mysterious woman, his skepticism about the monsters of Dagmar starts to turn to fear of the possibility Daniel may be right.