What happens when a lonely little girl travels to Scotland for the summer and gets to spend time in a real castle with her Dad, Uncle Angus and her Auntie Morag? What secret does Uncle Angus have to tell her? How does this secret help her to become fast friends with someone else who is lonely too? And ... who is Argyle? Escape to Scotland with Amy and discover something amazing Something so wonderful that Amy was absolutely certain couldn't possibly be true.