Accompanied by his lovely assistant Maki Togetsu, fighting acupuncturist Dr. Taima visits a hot spring in prefecture. There, he meets an old man who wishes to hire him - but Dr. Taima must prove his abilities first by battling a shadowy, gorilla-like monster! Later, Dr. Taima and Maki Encounter a fellow needle expert, Kyogo Aysaki. Kyogo is working on a case for Mizuki Touka, but when his client is spirited away by the spirit of her dead grandmother, Kyogo and Taima pair up to solve the mystery...