R, an office lady, suffers two consecutive days of relentless assault. It begins with stalking, followed by molestation during her commute, forcing her to break down and be sexually assaulted by a lesbian in a restroom. The next day, terrified but forced to ride the train again, she's surrounded by a group of men who collectively molest her inside the train car. Crushed by fear, she flees home—only to be tracked down and captured by the same men, who subject her to a brutal, merciless gang rape. Her body and mind completely shattered, R loses all will to ever ride the train again. This film depicts her harrowing descent into despair.