C447 I don't know what you're talking about

It was eleven in the night, and the living room of Murong Mansion was still lit up. Old Master Murong, Fang Wenlan and her son Murong Aojie sat facing each other without uttering a word.

Murong Aojie picked up the phone and looked at it, his face immediately becoming ashen. He tried his best to hide something, but Old Master Murong still saw through his subtle reactions