The latest feature film from award-winning Japanese director Mamoru Hosoda (Summer Wars, Wolf Children): When Kyuta, a young orphan living on the streets of Shibuya, stumbles into a fantastic world of beasts, he's taken in by Kumatetsu, a gruff, rough-around-the-edges warrior beast who's been searching for the perfect apprentice. Despite their constant bickering, Kyuta and Kumatetsu begin training together and slowly form a bond as surrogate father and son. But when a deep darkness threatens to throw the human and beast worlds into chaos, the strong bond between this unlikely family will be put to ultimate test-a final showdown that will only be won if the two can finally work together using all of their combined strength and courage.
Rudolf, a black stray cat, is suddenly separated from his beloved master. He unexpectedly wakes up in a long-distance truck that takes him to metropolis Tokyo. There, he meets Ippai-attena, a big boss cat feared by everyone in town. Unable to return home, Rudolf starts a life as a stray with Ippai-attena, but Ippai-attena isn't all that he seems to be.
Katsu is now an old woman who even at seventy three has not lost her penchant for being sardonic and dissatisfied. Upon visiting a photography studio her life and body are transported to that of a twenty-year-old girl giving her the opportunity to make up for missing out on her earlier dreams of becoming a singer, a more harmonious family member and to have more fun than life generally afforded her.
The movie follows a 4-year old boy who is struggling to cope with the arrival of a little sister in the family, until things turn magical. A mysterious garden in the backyard of the boy's home becomes a gateway allowing the child to travel back in time and encounter his mother as a little girl and his great-grandfather as a young man. These fantasy-filled adventures allow the child to change his perspective and help him become the big brother he was meant to be.