A blind street hustler with superhuman hearing recruited into Unit 701. He helps locate enemy transmissions, marries his love, but causes Zhang Xuening's death through a mission error. He later deliberately blinds himself again to enhance his hearing and assist the unit.
Zhang Xuening recruits He Bing for specialized service in Unit 701.
Zhang Xuening is sent to bring He Bing into Unit 701 because of his extraordinary hearing.
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