For everyone, she is a cook in a cafe. And no one knows: twice a month Aika transforms into Circe, a ruthless gladiator who enters the ring in underground dog fights. Until now, she and the other girls had managed to escape with minor injuries, but that evening the peaceful dog, which usually did not cause any problems, suddenly seemed to go berserk and seriously injured Alla, Aika’s friend. She soon found out that Alla had died... Aika would not have suspected anything if she had not witnessed a disgusting scene: before the performance, one of the club regulars persistently harassed Alla, but she refused him. And then Aika found a syringe with suspicious contents in the trash... Despite the mortal danger threatening her, the girl decided to punish her friend’s killer. Her assistant unexpectedly became Gena, one of the club’s security guards, who was ready to defy the owner of the illegal ring for Aika’s sake...