The game tells the story of Arietta and her family, visiting their Grandmother's cabin for the first time after her passing away a year prior. However, the family trip takes an unexpected turn when Arietta meets a mysterious new friend and gains the ability to see the strange beings that inhabit the island.

The game tells the story of Arietta and her family, visiting their Grandmother's cabin for the first time after her passing away a year prior. However, the family trip takes an unexpected turn when Arietta meets a mysterious new friend and gains the ability to see the strange beings that inhabit the island.