Waitress is a musical with music and lyrics by Sara Bareilles and a book by Jessie Nelson. The musical is based on the 2007 film of the same name, written by Adrienne Shelly. It tells the story of Jenna Hunterson, a baker and waitress in an abusive relationship with her husband, Earl. After Jenna unexpectedly becomes pregnant, she begins an affair with her doctor, Dr. Jim Pomatter. Looking for ways out of her troubles, she sees a pie baking contest and its grand prize as her chance.