The cigarette in my hand has burned to the filter. He stared at the old-fashioned tube building opposite, with the lights still on on the third floor windows. It's already two o'clock in the morning, and a normal person should be sleeping long ago. Brother Xuan, how about we come back tomorrow? Ajie next to him yawned. He had been squatting for three days, so he might have run away long ago. Shut up. Gu Xuan put out his cigarette butt against the wall and stared at the window without blinking. He always felt something was wrong. The light was so steady that it seemed fake. The phone vibrated. It was a message from Shen Lan: I found something. The man's name was Zhao Si, and he just moved here three months ago.