The Butterfly Lion follows a white lion cub as it embarks on an extraordinary journey. After a brief stay with its parents in Africa, the cub is taken in by Bertie, an orphan who finds him caught in a poacher’s net. Bertie nurtures the cub until he is old enough to be sent off to a animals circus, during which his lifelong friendship with the butterfly lion leaves an indelible mark on his life. Years later, an elderly Bertie returns to Africa and is reunited with the butterfly lion. This reunion is bittersweet as the lion is near death, and their last moments together are spent sharing secrets and remembering fond memories of their youth. The novel culminates in its final moments when Bertie writes his long-overdue letter to a woman from his past, ensuring that his tale of the butterfly lion will live on even after its passing.