Once upon a time there’s a huge greenhouse which houses rare and precious flora and fauna. One night when the leopard and peacock are relaxing near the pond, there’s a gazelle which is lost on its way, runs into the greenhouse and almost gets hurt by an arrow from nowhere. Meanwhile a green snake is hissing and laughing, and outside the greenhouse is a silhouette of a person in a cloak. Something’s not quite right, or is it a normal day in the greenhouse?