“Punching and making each other bleed. How can you call that a sport?”Hayul, who had been living a boring and stagnant life, goes through a turning point in her life through her friend Hongmin and coach Sangjun. Mixed Martial Arts, it is a sport that has the memories of her dad, but also the one that led Hayul's dad into death. Hayul grabs her gloves once again, with a plan to get revenge on Johns Alves, the very person that killed her dad.“Talent above talents, will Hayul ever be able to break through that wall?”