Watch Polly Pocket: 2 Cool at the Pocket Plaza for Free: How to Stream the Movie Online at 123Movies. . Polly's Dad is opening his cool new hotel, and Polly's friends are invited to the party. Even her cousin Pia who flies in from England. Polly and her friends band are going to warm up for a rock star on live tv. Then the three jealous girls from Polly's school start to cause trouble for Polly's friends and her cousin Pia.