Li Guang recalled a spy film he had watched years ago, in which a blind man used his extraordinary hearing to intercept enemy radio broadcasts. Inadvertently, a similar figure appeared in Li Guang's ranks. Although Li Guang didn't know how to utilize such a person, he had keenly sensed the previous night that Ji Keliang was a valuable asset and could certainly play a significant role if put to use. Ji Keliang was a music student from a family that wasn't wealthy. He supported himself and his tuition in Shanghai by using his unique skill—piano tuning. Li Guang put a lot of thought into retaining this talent, and finally decided to tell Ji Keliang the truth, while also offering a little bit of incentive. Ji Keliang was very interested in Li Guang's description of the submarine, and Li Guan

