Trapped follows the story of Joaquin, a highschool janitor at the prestigious Hallston Academy, finishing up his rounds in the early morning hours. Investigating voices echoing through the empty halls, he’s drawn to the gymnasium, where he stumbles into a group of boys in the middle of a senior prank. Tensions arise when his attempts to shut down the prank take an unexpected direction and he is caught between the boys, the head custodian and his own moral compass.