High school student Yuri Honjou finds herself lost in an “abnormal space” where countless skyscrapers are connected by suspension bridges and “masked figures” mercilessly slaughter their confused and fleeing victims. To survive in this hellish world, she has two choices: kill the masked figures or be killed. Yuri is determined to survive in order to destroy this irrational world, but what will be her ultimate fate? (Source: Netflix)