Ruby Rose, a girl who admires Huntsmen, along with her elder sister Yang Xiao Long enroll into Beacon Academy, a training school for Huntsmen. Her talents were discovered by Ozpin, the school’s Headmaster. Weiss Schnee, heiress of the world’s largest Dust manufacturing company, the Schnee Dust Company (S.D.C.), has disagreements with her father, defeats Arma Gigas, and leaves. Blake Belladona, a former member of White Fang, a terrorist organization and sworn enemy of the S.D.C., also leaves her organization. These two girls also become new students at Beacon. With hope and secret passion in their hearts, the story of these four girls who dream to become Huntsmen, now begin.

On her snowboard, Ruby slides down the snowy field. Weiss, possessed by the Grimm “Nightmare”, created a world in her dreams, which is a reflection of her mind. With the help of Shion, a Huntsman specializing in the Grimm “Nightmare”, Ruby sneaks into Weiss’ dream and heads toward the place where the “Nightmare” had taken root. Those possessed by the “Nightmare” will be entrapped in a nightmare where Aura and life will be deprived. Weiss was already in a dangerous condition. Ruby was so eager to quickly free Weiss from the “Nightmare” but the world reflecting Weiss’ mind, block’s Ruby’s way.