A letter that was never meant to be seen draws high school senior Evan Hansen into a family's grief over the suicide of their son. As a result Evan is given the chance of a lifetime to belong. He just has to stick to a lie he never meant to tell, that the notoriously troubled Connor Murphy was his secret best friend. No longer incapacitated by anxiety, this new Evan has a purpose. He's confident and a viral phenomenon. Until everything is in danger of unravelling and he comes face to face with his greatest obstacle: himself.