"Wah…" The hostage facing Zhao Yu let out a sound of surprise when Zhao Yu's pants dropped.
"¥#@%%..." The big guy mumbled something to the masked man. Although what he was saying couldn't be made out, it was evident that he was questioning the efficacy of the truth serum administered to Zhao Yu.
The masked man wouldn't have known that Zhao Yu possessed an antidote. The antidote was capable of neutralizing even the most lethal poison, so why not a truth serum?
Zhao Yu received the injection so that he could take advantage of their negligence and make things difficult for them. He thought he was doing well putting on an act, so he hadn't expected the masked man to have taken precautions by removing the bullets from the pistol beforehand.
In face of the threat from the armed thugs, he threw away the pistol and teased them saying, "Both your explosives and drugs are expired, I think you better figure out your consumer rights!"