Mana receives a wedding gown passed down from her mother and grandmother. Out of nowhere, a mysterious stranger named Matthew materializes and transports her to the past. Meeting her beloved grandmother and faithful companion Maro fills Mana's heart with joy, but her search for her dear friends Rikka and Alice proves fruitless. It appears that her cherished memories have undergone a peculiar kind of transformation. If nothing changes, it could mean the destruction of their future as well. The Precure girls must wage a fierce battle to safeguard both their memories and their fate!