Xia Yuan was a detective. He used to be a student of Yang Jianqun who was now his captain. They were majoring on a robbery case. After the suspect was under arrest, they were ordered to solve a case which is about a man called Qian Cheng holding his stock reference Wang Bolin's family as the hostage. He was a director of factory but he now owned the workers over 20 million yuan because his stock went down hardly. After all he jumped off the balcony and died at the scene.