8As soon as Ou Yan arrived downstairs at the hospital, her phone buzzed. It was Tang Yiyang calling."Ou Xiaoyan, have you left the hospital If not, would it be convenient for you to come up Someone wa...on Wednesday or Friday nights. Sometimes he carries a bag with him. When he goes in, the bag is bulging, and when he comes out, it's flat. He probably does some business with someone there.""Could you...