Han Beita unexpectedly travels into a dormitory survival game, rushing out during the day to scavenge supplies, reinforce doors and windows, set up early warning traps, and fully strengthen dormitory defense. At night, he resists the oncoming crisis, with roars echoing around the hallway. Relying on the modified dormitory, he holds the defense line tenaciously, flexibly using various supplies to maneuver, making calm layouts and step-by-step strategies, steadily mastering the survival rules in a crisis-ridden world, and playing thrilling dormitory survival.