One day, Fern receives a letter, and she can't help but worry about what's inside. Her friend Fawn encourages her to open it, and she discovers an invitation to a special surprise at the museum. Fern doesn't like surprises, so Fawn offers to come with her, and Fern reluctantly agrees. Along the way, Fern can't help but worry about other things, but Fawn manages to quell her fears and provides some imaginative solutions to her anxieties.
