Modern doctor Rosalind Shelby is transmigrated into a book, becoming the wicked stepmother to the three great villains of the novel. The original character abused the children during a famine and caused her husband's death, only to be brutally killed by the villains when they grew up. To change her fate, Rosalind decides to win them over during their childhood, while unexpectedly discovering that her husband's identity is not so simple and that the children's parentage holds a shocking secret.