A decade after a mysterious meteorite strikes Earth, individuals known as "Rams Carriers" acquire superhuman powers dubbed "Rams." Yet, these carriers can only survive near the "Mebius Dust" emitted by a massive crystal, which bars them from exiting the town of Shinkatsushika. Inside Shinkatsushika, Rams Carrier children employ their abilities in a territory-conquering game to pass the time caused by their confinement. High schooler Araki, together with his younger sister Stella and childhood friend Olga, creates a squad named "Polis Hopper" and dives into the game. Their fates start to shift when Professor Yuda, a researcher studying Rams, requests their involvement in a specific experiment...