Late at night, Aaron enters the house under the moonlight as light as a cicada, covered with the smell of tobacco and wine. After taking a bath, he casually dresses himself in a bathrobe and sits lazily on the sofa, closing his eyes and stroking the temples. Soon, someone knocks at the door. Aaron says, “Come in.” Randy walks in with four sleeping pills and a glass of warm water. "Mr. Wilson, this is today's medicine." Aaron doesn’t open his eyes. “Put it down,” he whispers. Seeing his tired face, Randy hesitates for a moment and finally says, "Mr. Wilson, Dr. William says they’re working on the latest sleeping pills. They’ll be available soon and should be effective for insomnia." Four years ago, Aaron Wilson went to Abbe City for business, and was secretly poisoned by someone. The