Plot: Since his wife's death from illness, Oki Eisuke (Utsui Ken) has been working as a lawyer at the Oki Law Office, raising his high school-aged daughter, Kaori (Hayashi Norie). His late wife's father, Kimura Genkichi (Ban Junsaburo, Matsumura Tatsuo), a former Metropolitan Police Department detective, is in charge of accounting, while Ono Toshiko (Nakahara Rie) is in charge of typist and secretary