1886 London."Times" From the morning newspaper: "This morning was killed by a young secretary of Professor Wilson, Jonathan Smith.Nearby on the carpet strewn murder weapon: a knife with a handle made of ivory.The motive of the murder is unknown. Search for the killer is underway ...."All that is known about Jonathan Smith, he graduated from Cambridge.He was always polite, quiet, studious young man who had no absolutely no weaknesses.He worked with Professor did not last long.Professor Wilson is a very sick man. He is lying in bed, then he hobbles around the house with a stick, and the gardener carries him in a wheelchair through the park. The neighbors like it, they come to him, he has a reputation for a very learned man. Professor writes some scholarly work.And to finish it faster than the Secretary himself hired.