A Series of Explorations on the Brocade

I knew the direction when I traveled back in time to the book I was writing, but it was really difficult to travel back in time to the book I was about to write. An ordinary murder case actually triggered a series of murders. In the end, these cases all pointed to the "eye disease" twenty-four years ago. When everyone thought that pharmaceutical companies used illegal means when developing specific drugs, complete R&D records were found and there were no problems. When they found the root cause based on scattered clues and discovered that it was just a conspiracy designed by a loving father to save his terminally ill son, they thought this was the end. However, the story continues...