Blackjack's surgery was to save Dr. Summit, a surgeon infected with a mysterious infectious disease. However, there appears Dr. Kiriko, who demands extraordinary money like Black Jack, but undertakes euthanasia instead of treatment.

A difficult request brought to the unlicensed genius surgeon Black Jack. It was supposed to be born as twins, but it was an operation to separate what had been taken into another body. The second in a series depicting the episode of the birth of Pinoko.