Vera accidentally uncovers the affair between her fiancé Julian and his stepsister. She learns their cruel scheme: they plan to swap her during the mafia wedding and send her to Lorenzo, the disabled underworld godfather plagued by excruciating chronic pain, to suffer endless torment.Heartbroken and resolute, Vera crushes and melts her engagement ring on the spot. Pressured by her family, she decides to turn their plot against them and secretly takes the bride’s place, marrying into the cold, heavily guarded Harrington Manor.On their wedding night, Lorenzo loses brutal control amid a violent nerve pain flare-up. Vera calms his agony with her exclusive nerve-blocking formula, becoming the only antidote capable of soothing the ruthless tyrant. Amid gunsmoke and medicinal fragrance, the two grow fond of each other and redeem one another.Consumed by jealousy, Julian ambushes and attempts to assassinate Lorenzo, only to have all his men wiped out and be driven to the brink of ruin. Vera takes him as her experimental subject, putting an end to his delusions completely.In the end, Vera and Lorenzo join forces to purge the chaotic underworld forces and destroy all their enemies. Freed from the bondage of lifelong illness, the once-sickly godfather stands side by side with his black rose, ruling supreme over the peak of underground power.