Randy discovers a small girl who survived an airplane crash while on a walk through the Swiss countryside. The little girl has no memory of her past, so Randy takes care of her and names her Judy. They grow up together as childhood friends. Later, when Judy turns 16, she wants to find out about her origins. With Randy's help, they set out to research her past. The only clue Judy has is a song called Alpine Rose that she keeps hearing in her head. During World War II, Judy and Randy must overcome many obstacles to achieve their goal of discovering Judy's past, all while relying on each other for comfort and support. Their deep love for each other will be tested during this time.