The Luna Assassin

After being tortured, rejected by Alpha Albert, and left to drown, Taylor Sterling survives by awakening siren powers. Under the name Natalie, she becomes the deadly assassin known as the Queen of Spades and returns to destroy the pack that ruined her life. During her revenge, she reunites with her brother and enters a deadly assassin arena. When her mentor is killed, Taylor unleashes her full power in a rage-fueled bloodbath.