Black Jack and Pinoko are sitting in the Tom café where Osamu Tezuka sits drinking coffee and drawing manga. Pinoko drags jack off to Sendai for an operation for the removal of a mole on a rich man's son. On the way, their car breaks down in the snow and they walk to a remote house inhabited by a talkative old woman. She is awaiting a visit from three of her four sons for her birthday, but they all notify her that they cannot come...