When Kyndra, Colleen, and Jose apply for jobs at a diner that has seen better days and is undergoing renovations, they have no idea what they're in for. Aunt-B and John have a horrible secret, and when it's unleashed on the unsuspecting employees of the diner, things get . . . complicated. Bloodthirsty and dangerous, a zombie awaits the opportunity to feast on them all. Who will be served first? Can any of them make it out of the Undead Drive-Thru alive?