Rosetta is just a shy little girl that goes to visit her grandmother, Mary. However, Mary was murdered. While looking in the house for clues, she meets a boy named Camille, who wants to pay respects to the deceased Mary. Together, they must find the real perpetrator.

Rosetta is just a shy little girl that goes to visit her grandmother, Mary. However, Mary was murdered. While looking in the house for clues, she meets a boy named Camille, who wants to pay respects to the deceased Mary. Together, they must find the real perpetrator.