Falulu is far away in the heart of the PriPara world in Puransu. The sparkle is disappearing from the idol sacred ground PriPara, and Falulu sends an SOS message to Laala and her friends. If the sparkle doesn't return, the PriPara world itself will disappear. Laala and her friends try to help Falulu, and they work together to save the PriPara world.

The movie will feature special guests such as popular familiar characters from the TV anime series and the latest Youkai from the upcoming Youkai Watch 2 sequel games.

The story on Arcadia's mystery, on which the 13th television episode was based.

In the future, Utopia has finally been achieved thanks to medical nanotechnology and a powerful ethic of social welfare and mutual consideration. This perfect world isn't that perfect though, and three young girls stand up to totalitarian kindness and super-medicine by attempting suicide via starvation. It doesn't work, but one of the girls—Tuan Kirie—grows up to be a member of the World Health Organization. As a crisis threatens the harmony of the new world, Tuan rediscovers another member of her suicide pact, and together they must help save the planet...from itself.