Stay in step with Angelina and Polly! Will Princess Polly be able to forgive her sister when Angelina breaks her special music box? Angelina's sisterly instincts kick in when Polly goes missing, and Polly proves she can be a big inspiration to help Angelina finish Ms. Mimi's important assignment. Come along as the sisters spin, twirl, sparkle and shine together in this heartwarming collection of sisterly stories!