Libby has felt lost and unloved her whole life. Struggling to find purpose and belonging, she has given up on the world. Hemmed in by her own fortress of green. Her architectural designs are dismissed. Unable to support herself or function in everyday life, she has retreated into her own world. Frightened by people, she makes sure they stay away. Will someone break through the walls she has built her entire life? Or is a perfect stranger just a fantasy that will never be real?