In her past life, she was raised into a timid, naive girl by her biased grandmother, and the marriage arranged for her from childhood ultimately became her downfall. The Harrington Family was destroyed, and she was poisoned to death. Given a second chance at life, she returns to the year before her marriage and vows to make the man who ruined her pay, destroy his family, and punish everyone who once betrayed and humiliated her. She breaks off her engagement and marries the man who was once her greatest enemy, takes down the scheming women and toxic relatives, and leaves romance behind. This time, she wants revenge, success, and a thriving life for the family who truly loves her.