Han Bo-reum

Eight years ago, Song Mi-rae saved her husband, Kwon Woo-jin, at the cost of her ability to bear children. Hiding her identity as the Origin Group heiress, she stayed in the marriage. When they adopted Ji-an, she raised her like her own daughter for seven years—only to discover the truth. Ji-an is actually Woo-jin's illegitimate child with his mistress, Han Chae-won. Betrayed and stripped of everything, Mi-rae vows revenge and to reclaim her rightful place.

Soo-a and Seo-jun have been married for three years. On their wedding anniversary, Soo-a discovers that her younger sister, Eun-a, has returned from abroad and is in bed with Seo-jun. Shocked and devastated, Soo-a demands a divorce and returns to her position as the head of the Madly Group. As she begins to take revenge on Eun-a and those who tormented her, she gradually clears up the deep misunderstandings between herself and Seo-jun.