Threatening letter

For two consecutive months, the Guangcheng Police Department received a mysterious threatening letter every two weeks. If the strange requirements in the letter were not met, an indiscriminate murder case would be triggered.The threatening letter with provocation and declaration of war disrupted the entire order of Guangcheng.Officer Guo, who was in charge of the case, followed the clues and gradually approached the truth, but what was waiting for him at the end of the truth was Lawyer Ye, a high school senior whom he had not seen for many years...