"Anna, Elsa, Kristoff, Olaf and Sven leave Arendelle to travel to an ancient, autumn-bound forest of an enchanted land. They set out to find the origin of Elsa's powers in order to save their kingdom"--IMDb.
When Millie has to fix her hair by herself for the first time, her friend Renee and a sense of humor help her to discover something about friendship and independence.
Even though Penny is annoyed that she can only find one of her flip-flops on the day she goes to the beach, she discovers a number of uses for it and enjoys her time there.