Garden of Earthly Delights in a strange novel about grief, family, nature, purpose, and identity. It is centered around Marianne, who is grieving the loss of her younger sister. Her life begins to fall apart; she loses her job, her relationship crumbles, and weird, thick hairs begin to grow at the base of her spine. She is referred to an unconventional rehab facility to overcome her grief, but it quickly becomes clear that things are not what they seem.