She is the legitimate daughter of the prime minister, yet her older half-sister has bullied her since childhood. She thought that if she put up with it, she could live in peace. But her sister not only stole the man she loved, she also showed no mercy to the child she carried. The crown prince once promised her, “I will protect you for the rest of your life.” Yet in prison, she was met with a cup of poisoned wine. She drinks it with a smile and is reborn, vowing to make everyone who hurt her pay with their lives. Her sister is ruthless, but she can be even more ruthless. The crown prince wants the throne, so she will make sure he loses it. But on her path to revenge, several charming young men keep clinging to her. What should she do?