The widow of a wise professor stumbles upon one of his inventions that's able to record and play a person's memory. The widow of a wise professor stumbles upon one of his inventions that's able to record and play a person's memory. The widow of a wise professor stumbles upon one of his inventions that's able to record and play a person's memory. The widow of a wise professor stumbles upon one of his inventions that's able to record and play a person's memory.