In the late 19th century within the British Empire, the orphan Wisteria's existence is filled with solitude and despair. Everything changes when she meets Marbas, an immortal creature with a furry guise, pursued by relentless hunters. United by their shared isolation, Wisteria and Marbas embark on a journey across a land inhabited by both humans and humanoid beasts, seeking a sanctuary where they can coexist harmoniously.