For the holidays, Lou, Laure, Lisa, Luna and their parents exchange their Parisian apartment for… a house in the United States. This is the beginning of an incredible journey that plunges them into the heart of the new continent. Laure meets her friend Vic, whose musician parents work in Vegas, the city that never sleeps. Then Saul, their young host, introduces them to the secrets of Yellowstone Park. There, the Four Sisters face unprecedented dangers…
For the holidays, Lou, Laure, Lisa, Luna and their parents exchange their Parisian apartment for… a house in the United States. This is the beginning of an incredible journey that plunges them into the heart of the new continent. Laure meets her friend Vic, whose musician parents work in Vegas, the city that never sleeps. Then Saul, their young host, introduces them to the secrets of Yellowstone Park. There, the Four Sisters face unprecedented dangers…