Mitsuha Miyamizu yearns to escape her countryside life and live in bustling Tokyo as a boy, while Taki Tachibana works towards becoming an architect. Unexpectedly, Mitsuha wakes up in Taki's body in the city, and Taki wakes up in Mitsuha's body in the countryside. To uncover the reason for their sudden switch, they embark on a mission to reunite. Their choices and fates intertwine, creating a powerful and intricate tapestry of a story filled with destiny and coincidence.