Ever since childhood, Haruka Haruno has longed to become a princess. Even though others mocked this seemingly childish desire, Haruka persisted in turning her dream into reality, which eventually led to her admission to the prestigious Noble Academy—the origin of people's fantasies. Upon arriving at her new school, a random meeting with a pair of magical creatures triggers a chain of unbelievable events, causing Haruka to awaken as "Cure Flora," the princess of blooming flowers. After two of Haruka's classmates also transform into legendary princesses, a tale of self-discovery emerges as the newly formed team "Princess Precure" takes on the duty of safeguarding everyone's dreams. Caught in a conflict between hope and despair, Haruka may discover the key to becoming the princess she has always dreamed of being.