The main character is Evan Hansen. He is a senior in high school with social anxiety. He also has a broken arm. He writes a letter to himself, which is what his therapist told him to do. It's the first day of school. His mom, Heidi, says that he should ask people at school to sign his cast. There is another family on the stage: the Murphys. Cynthia and Larry and their kids, Connor and Zoe are eating breakfast. Cynthia thinks her family is falling apart. Heidi wants to know how to connect with her son ("Anybody Have A Map?").