At the entrance of the Ma City First Detention Center, a young man in a worn white shirt stood there, looking around blankly.,In his previous life, Qin Chuan's father died under suspicious circumstances. Qin Chuan always suspected that this dog couple had poisoned him, but he had no evidence.,Without removing this poison, Qin Chuan may not have lived to see today. We must use silver needles to extract the poison! And we must act quickly!。