"Oh." Zhang Han nodded, not interested in hearing what Zhao Feng continued. After drinking the last sip of beer, he walked to the sofa and sat down to play with Mengmeng.

Zhao Feng sat at the dining table and fell silent. He hesitated for a while. Finally, he took out the wallet from the bag he was carrying, took off the button of the wallet, and turned it lightly. The button as big as a fingernail was unscrewed. There was a In a small space, a small mobile phone card is hidden in it.

Zhao Feng took off his mobile phone card, put it in the mobile phone card he took out from the button, and dialed a phone. After only two rings, the phone was connected, and there was no sound from the other end.