William Pearl, a scientist-philosopher, a bore and a tyrant in life, did not leave much money after his death, and his will was simple - he bequeathed everything to his wife. He also left a suicide letter. She was waiting for a beautiful, tender message that she would read over and over again, at least once a day, and keep forever in a box. The letter reported that John Landy, a remarkable neurosurgeon, asked to donate his dead body to science. William's brain will lie in the vessel, and all thought processes will proceed as before. When Mary saw her husband, he resembled a salted walnut. She asked the doctor to give William's brain - she wants to take it home.