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. Also among the investigators are Sakamoto Ryu (Nakamura Masatoshi), who claims to be serving a two-year prison sentence, and Suzuki Masao (Okita Hiroyuki), who is on probation. These are the members of the firm that Eisuke trusts. A die-hard feminist, Eisuke throws himself wholeheartedly into the cases of female clients, regardless of legal fees, but...