Lin Chen, an otaku, unexpectedly traveled to the world of "Precure" and was granted three wishes: transform into a girl, become the exclusive Pretty Cure Echo, and form an alliance with the original partners. From being powerless to mastering the power of echo, she fought side by side with Cure Heart and others, using love and courage to fight against the dark invasion of the Selfish King, and write a guardian legend belonging to the new girl of light in the fantasy poker kingdom.
