Xu Anning was a nuclear physicist. When someone bullied his girlfriend, he went to demand an apology, but the person refused. The two came to blows. In the confusion, Xu Anning picked up a stone from the ground and hurled it at the bully. The man cried out and fell down. He stopped breathing at once! Someone at the scene called the police, and soon the crowd had all seen Xu Anning kill a man. Xu Anning was arrested and eventually sentenced to death, suspended for two years. Can this brilliant nuclear physicist save himself from the brink of death?