The Imprint on the Heart - S2.E9

Black Jack and Pinoko travel to New York. A doctor who happens to be the son of an old friend of Black Jack's parents, asks Black Jack to help him operate on his mother because she has Honma's Hematoma. Black Jack, remembering his mentor's words not to get involved in that disease, refuses. Later, Black Jack discovers the clock that was in the photo he found. Benitokage shows up and shoots Black Jack in the heart.