In the year 2050, an 18-year-old amnesiac wakes up to a ruined world overrun by monsters. Guided by an artificial superintelligence, a ruthless scientist unleashes hell on Earth to preserve only a fraction of humankind.
As Ako and Shiho learn more about the world of skateboarding, they also get to know Momo, a talented skater who has the potential to be a world champion.
Jungwoo's re-upped resolve has led him closer to the top of the criminal enterprise responsible for his mother's death, but the revelations were not won without sacrifice.
