He Yingliang (Kato is acted the role of) is a famous pianist in the industry, has made lofty achievements at a young age, and has a bright future. One day, Yingliang met an old man named Miki Kenichi (Ogu fist). Yingliang was shocked that the old man knew the secret he had hidden for many years and the past he had always wanted to give up and bury. Panic and anger Yingliang chose to kill Miki, after Miki's body was found, the police department today Nishi Rongtaro (Danbo Tetsuro) and Yoshimura Hong (Morita Kensaku) are the police officers responsible for investigating the case. Sensitive and intelligent Jinxi gradually targeted Yingliang through meticulous investigation and evidence collection, excavating the dark side of this talented musician, and finally, Jinxi and Jicun arrested Yingliang, putting an end to this tragic case.