Liam, ruler of the violent Serpent Gang, gets ambushed and wounded on a rainy tram. Struggling fugitive Ava covers his tracks with a bold fake intimacy trick to hide him from rivals. After he shelters her briefly, Ava’s gambling father drugs and sells her to loan sharks. She fights free with scissors, only to find her fiancé and corrupt newspaper boss have betrayed her. Broken and suicidal, she crosses paths with Liam again. He trains her into a ruthless fighter. Ava systematically takes revenge on all who harmed her, while growing close to Liam. But Liam’s aristocratic fiancée Seraphina schemes to eliminate her, using Ava’s ex Caleb as a pawn. A kidnapping trap leaves Ava stabbed protecting Liam. Liam donates massive blood to save her life and vows to end his engagement to Seraphina. Despite bitter rivalry and dangerous gang wars, the two wounded outcasts confess their love and stand united against all enemies
