While wandering through the Swiss countryside, Randy discovers a small girl who appears to be the sole survivor of an airplane crash. The girl has no memories, so Randy takes her in and names her Judy. They grow up together as friends, sharing a simple, idyllic childhood. When Judy turns sixteen, she becomes determined to uncover her past. With Randy’s help, she embarks on a quest to research her origins, guided by a recurring melody she hears in her mind, an Alpine Rose. Their journey takes place amid the backdrop of a world war, forcing them to confront numerous obstacles. In this turbulent era, they rely on one another for comfort and support, and their bond deepens into love.