Strange

"It's not much," came He Ming's voice from the phone.

Gu Shaoting paused, feeling somewhat uneasy. "Why is it taking so long? It's been almost a day, and still no results?"

"Yeah, because it involves privacy, it's been difficult to coordinate with the hotel," He Ming sounded a bit frustrated.

"But there's some progress. I asked one of the waitresses at the hotel, and she said she saw Tong Fei and Shu Pan talking, and it seemed like they were having some kind of disagreement," He Ming informed Gu Shaoting of the investigation's findings.

Gu Shaoting remained silent, a faint suspicion forming in his mind.

Wasn't using drugs a method Tong Fei excels at?

"Do you suspect Tong Fei?" He Ming asked, puzzled by Gu Shaoting's prolonged silence.