In 1955, she died saving her son. Seventy years later, NASA physicist Evelyn wakes up in the body of an eighteen-year-old girl—only to find her little boy is now a frail old man, the feared patriarch of the Miller family. In her arms, the Silicon Valley giant weeps like a child. And his grandsons? Forced to accept they suddenly have an 18-year-old great-grandmother. From unmasking a venomous girlfriend to steering a school bully onto the right path, Evelyn takes charge—turning tragedy into a wild, heart-pounding family saga.