A modern girl accidentally travels through time to a prehistoric dinosaur world. Upon waking up, she falls right into the nest of a Tyrannosaurus, where she is adopted by the Tyrannosaurus mother as her own cub. She gets along and adapts to the primitive environment with the Tyrannosaurus family, using human thought and wisdom to resolve flood disasters, reconcile conflicts between different dinosaur groups, and establish a cross-species survival alliance. As the adventure progresses, flood traces, ancient tokens, and mysterious groups emerge one after another, and the mystery of her identity gradually surfaces. The girl discovers that her arrival may not be accidental, and a buried past is waiting to be uncovered.