In a post‑apocalyptic wasteland ravaged by infected creatures, three‑year‑old Mopsy travels with her talking rabbit companion Samper in a magical self‑restocking mobile supermarket. They trade supplies for credits using infected cores, gold and silver, aiding desperate survivors across settlements. Facing greedy villains and mutated monsters, Mopsy upgrades her store while searching for her unknown father. She holds fast to kindness and gains friendship and hope amid the cruel end‑of‑the‑world.