A monster has returned, trapping Ms. Walcot on the second floor of a building with only one staircase, which the creature is blocking. Residents fear for her safety as the beast moves faster than zombies and has already dragged someone away. Fabron arrives just in time to confront the danger, attempting to test a system upgrade against the monster's tough hide. Despite Fabron's efforts to outsmart the creature and find its weak spot, the threat remains imminent, forcing a critical decision as the situation escalates without resolution by episode’s end.