Grace Pudel, a lonely misfit with an affinity for collecting ornamental snails and an intense love for books, retells her life story to a humble garden snail named Sylvia. At a young age, when Grace is separated from her fire-breathing twin brother Gilbert, she falls into a spiral of anxiety and angst. Despite a continued series of hardships, inspiration and hope emerge when she strikes up an enduring friendship with an elderly eccentric woman named Pinky, who is full of grit and lust for life.