Hair for a Head

In a hyper-secure prison, a condemned man dies under mysterious hours before his execution. Investigative journalist Xu Xin follows a trail of medical anomalies and ancient symbolism to uncover a hidden program where prisoners become involuntary test subjects. As she confronts the charismatic warden who quotes the tale of Cao Cao cutting his hair as atonement, she realizes that in the modern world, crime has not diminished—it has merely grown more sophisticated and deadly.