Frozen is a musical with music and lyrics by Kristen Anderson-Lopez and Robert Lopez, and book by Jennifer Lee, based on the Walt Disney Animation Studios' 2013 animated film Frozen. The story centers on the relationship between two sisters who are princesses, Elsa and Anna. Elsa has magical powers to create snow and ice, which she does not know how to control. After inheriting the throne, Elsa flees, inadvertently causes the kingdom to become frozen in an eternal winter, and nearly kills her sister. She must sacrifice and show true love to save the day.