The magical girl formula stops pretending it needs to justify itself, it just lets you watch five girls in ridiculous outfits fight snow demons with the kind of animation budget the TV show could never afford. The jokes land because nobody's taking this seriously enough to get in the way of them. It knows exactly what it is: a matinee for people who came to Precure for the transformation sequences and the colors, not for some deeper story that might disappoint you anyway.

Shantia is a land of winter, and its princess, Sharon, has invited Manatsu and the rest of the group there. Their arrival coincides with an attack by a mysterious monster, after which no outsider can get into Shantia.