Jun Andersen inherits the legendary Blue Bird bookstore from Aunt Ruby. She soon discovers unique letters among the books, evidence of a long friendship between Ruby and the famous writer Margaret Wise Brown. Since the store is on the verge of ruin, June decides to save it with a find. She turns to Gavin, the owner of a restaurant next door to the Blue Bird, for help. It seems that together they have a chance, but June has a lot of secrets, and trusting Gavin is not so easy.