A woman suddenly realizes she has transmigrated into the villain, Mandy Carter, of the novel "Poor Girl's Plan". She discovers the Fated Villain System requires her to alter the fates of the original male and female leads, Brandon Poole and Mandy, to earn fate points. When Mandy announces she wants to break off her engagement with Brandon, he agrees, revealing his hopeless romantic nature despite having donated his corneas and fortune to the female lead. Mandy decides to end their relationship and live as a carefree heiress, while Brandon struggles with his unreciprocated feelings, leaving their future uncertain.