C70 Saving People

"The number you have dialed has been turned off..."

Lee Lingwei hung up the phone. He knew something must have happened to Cao Mengchen. Although it was time to get off work, Lee Lingwei knew that Cao Mengchen was a criminal police officer. They could go to the police at any time, so his phone would always be turned on. Now that Cao Mengchen's phone was turned off