一对嬉皮情侣在野外恩爱后,意外闯入一座神秘园区。在那里,鹰马与祥龙齐飞,妖精同羊男共生,在园长的照料下,全球异种奇兽共聚一地。原本希望打造能让奇兽们安全生活的避风港,动物园般的管理手段却让「兽权斗士」Gray心生疑惑。然而,无论是圣地还是监狱,Gray得先和奇兽们联手抗敌,不让邪恶的军阀将园区收编成生物武器大本营。Cryptozookeepers try to capture a Baku, a dream-eating hybrid creature of legend, and start wondering if they should display these beasts or keep them hidden and unknown.