A hard-hitting action comedy about the crazy adventures of an unconventional detective who defies common sense. Ogishi is assigned to work in the Criminal Investigation Division of Hanatsubaki Police Station. On his first shift, he attempts to arrest a caveman who catches and eats pigeons, but the man escapes. Ogishi is then instructed to follow Detective Bogey around, where he reunites with the caveman he let slip away earlier in the interrogation room...!?