Xu Anning is a nuclear physics scientist. His girlfriend was bullied. He approached the person and asked for an apology but was refused! The two of them moved their hands. In a panic, Xu Anning picked up a stone on the ground and threw it at the unreasonable person. He only heard the unreasonable person say "Ah" and then fell to the ground! He suddenly stopped breathing! Someone at the scene called the police, and soon everyone onlookers saw that Xu Anning had killed someone. Xu Anning was arrested and finally went on trial. The death penalty was suspended for two years. Can Xu Anning, an excellent nuclear physics expert, save his life from hanging by a thread?