In the bosom of the verdant countryside, in the safety of her grandparents' farm, little Meline spends her time exploring the magnificent world that surrounds us. Then, one day, while drawing in the estate's weather-battered, dust-covered barn, a furry little intruder seeking shelter catches Meline's attention. And, before long, curiosity prevails, and an exciting adventure commences. But, what is this mysterious creature? Can Meline track it down before it disappears in the shadows?