Suzume, 17, lost her mother as a little girl. On her way to school, she meets a mysterious young man. But her curiosity unleashes a calamity that endangers the entire population of Japan, and so Suzume embarks on a journey to set things right.

Prodded by a friend request, a feckless forty-something recalls his past relationships from the 90s onward, looking for his vanished hopes and dreams.