Black and White Dream Shadow

The chairman of Tokyo Shinozuka Pharmaceutical Group was killed while traveling with his wife. During the police investigation, they accidentally discovered that the person who committed suicide by jumping off a building two years ago was not the real murderer, but someone who took the murderer's place and ended the case. As the police investigation deepened, they learned that there was a huge conspiracy hidden behind the case, and the murderer two years ago turned out to be another person.