Hans, also referred to as Heli or Helly, is a world-class foreign expert and alumnus of Purdue University, where he once refused a dean position. He is the senior of Jiang Mingxuan. He demands accountability for the theft of classified documents from the military hospital, threatening to end all cooperation with China if responsible parties are not punished. He is portrayed as stubborn and uncompromising, serving as an antagonist whose anger drives the plot.
