短片集由八个植根于中国传统文化的独立的故事组成：《小妖怪的夏天》《鹅鹅鹅》《林林》《乡村巴士带走了王孩儿和神仙》《小满》《玉兔》《小卖部》《飞鸟与鱼》，在观众面前铺陈开一个极具中式想象力和审美魅力的“妖怪”故事集。 其中故事纵览古今、展望未来，从古代故事到科幻想象、 从乡土眷恋到唯美爱情、从生命母题到人性思考，展现着中式想象力、承载着中国民族文化与哲学。影片涵盖多种美术风格以及制作手法：既有传统的二维、剪纸、偶定格动画，又有CG、三渲二的现代技术，还有将素描与中国水墨韵味相结合的创新尝试，是创作者们对中国美学一次多视角的诠释。

电次是个背负了父亲遗留下的庞大债务，因此过着极端贫穷生活的少年，他救了恶魔啵奇塔，并与它一起以恶魔猎人的身份斩杀低阶恶魔来换取酬劳。有一天，流氓骗了电次，让他成为一堆恶魔的祭品，电次在临死之际，啵奇塔牺牲自己，把心脏给了他，让他复活并拥有了恶魔的力量，只要一拉位在心脏那边的链子就能发动。之后电次被公安人员看上，因此成为公安的恶魔猎人……

After a series of mighty clashes with Upper Rank Demons, the Ubuyashiki clan prepares for one last battle with the hellish forces of Muzan Kibutsuji. In order to finally defeat the Demon leader once and for all, the clan devises a training camp for the Demon Slayer Corps, one led by the remaining Hashira - the most elite warriors in the organization. Each Hashira forms a specialized exercise that will hone both their own abilities and the skills of the ordinary soldiers. Tanjiro Kamado, a boy at the heart of the brewing conflict, recovers from wounds received in a recent fight. While his half-Demon sister Nezuko is studied by researchers like Shinobu Kochou, Tanjiro embarks to train with the Hashira, seeking mastery in each of their assigned areas of expertise to be best prepared for the coming war - skills vital to Tanjiro, as he has vowed to be the very warrior who will eliminate Muzan for good.