Japan, Osaka, early 90s.
Detective Katasha B. has a very bad reputation as a cruel, rude and unprincipled police officer, just a bastard.
Local residents and small bandyugans try to stay away from him, because of his not the cleanest and most obvious solutions to problems. Among local boys, he is known as "Uncle Berry", due to the fact that he does not part with his beloved pistol Beretta, the only love in his life that has never let him down.
However, even such a character, who avoids any serious business, manages to get into a story that he tried to avoid all his life ...