A former fighter reluctantly returns to the life she abandoned in order to help her sister survive the sadistic world of illegal fighting and the maniac who runs it.
Siren has lived her life thinking she's an ordinary girl, in an ordinary town. On her 12th birthday, she learns that she's far from ordinary.
After witnessing the murder of her mother 20 years ago, Alexa returns to Los Angeles seeking revenge on the man who killed her. She finds that her best way to reach this man is trough his son, who turn out to be nothing like his father.
