Ten-year-old Lark loved all his birthday gifts but the special stone from his grandfather is his favorite.
Hidden away in his pocket, it suddenly heats up, catapulting Lark into a magical land of a sunset, or sunrise, (he wasn't quite sure) and a stardust path leading to nowhere and everywhere.
Lonely little Lark soon meets a mimicking boy named Echo.
Together they set off to see where the path will take them.
As they travel, they encounter two more friends: a precocious little girl and.