The story follows Sage, a young independent girl who was put through struggles because of her identity. After an accident happened, she was sent to the prison by her cruel family, but sudden turn of events changed her supposed to be destiny and she was now assigned to be one of the secret task force formed by the King, the Nightshade. Alongside her are misfits striving to see through the end to reclaim their glory. As she live her life as a Nightshade member she both discovered love and her identity.