Since the Heian era relocation, humans, tanuki, and tengu have maintained a delicate balance. But none of that matter as a young tanuki is tasked by an older tengu to deliver a dangerous letter.
Yasaburou visits Yajirou, who lives in the bottom of a well as a frog and forgot how to transform back into himself. When a storm comes, the three non-frog Shimogamo brothers race to help their mother, who is terrified of thunder.
