Biwamaru, an acupuncturist, heals people with his needle for no payment, even curing a few of Black Jack's patients, much to the doctor's disgruntlement. He warns Biwamaru not to treat his patients anymore, though Biwamaru replies he goes where his senses tell him. The acupuncturist visits another patient of Black Jack, a young girl, and treats her using a needle and leaves...