C109 Traceless murder(part iii)

"Indeed, how slow was that? We were stabbed six or seven times but still haven't discovered it." Guo Yun said: "This is impossible under any circumstances. Unless he was in a coma. However, it's not too late for the two to go home. It seems like they didn't waste too much time on the road, let alone wake up after being unconscious for half a day. In that situation