Coco, a modest dressmaker's daughter, harbors a deep fascination for magic and the secretive witches who wield its power. A chance encounter with the enigmatic witch Qifrey unveils the truth behind her beloved picture book—it's a spellbinding grimoire in disguise! Eager to explore her newfound abilities, Coco's impulsive experiments lead to a calamity in her home. Saved by Qifrey just in time, she is offered an apprenticeship to harness her latent talents. As they embark on a quest to thwart the Brimmed Caps—an outlawed faction dabbling in perilous body-altering sorcery and distributing forbidden relics—Coco must refine her magical aptitude and navigate the complex dynamics among Qifrey's eclectic apprentices before facing their formidable foes.