Isao Obata, a prominent figure in Shotokan karate, is the subject of this biographical episode.

His life is chronicled, from his early training under Gichin Funakoshi to his pivotal role in establishing the Japan Karate Association (JKA) and his later disillusionment with the organization's direction.

The episode details his contributions to spreading karate in the United States, his time in Manchuria, and his continued dedication to teaching even in his later years.

His career highlights both his mastery of karate and his personal life, including his family and other interests like kyudo.