How did Li Zhongmou find out that Wu is his child in the TV series "Love Never forgets"?

Zhongmou found that Wu was his child at the critical moment of blood transfusion. At the opening ceremony of Shenghua Hotel of Li Group, gongs and drums were ringing outside, but General Ye and General Li who presided over the opening ceremony did not come out for a long time, and there were many discussions. Ye has been threatening Li Zhongmou to get a few plots of land in his Third Ring Road. But Li Zhongmou is not to be outdone, threatening him with the future of Ye's son. He couldn't help Yuzryha has been afraid, reluctantly to Ye Zhongmou throw in the towel. The opening ceremony of Shenghua Hotel officially began. Everyone saw the idol Maggie Cheung on the counter and cheered excitedly. At this time, Tian Mi was screaming for a stomachache. Meiling wants to take Tong Tong to the toilet, but Tong Tong says he is a man and can't go to the ladies' room. In a hurry, Meiling told Tong Tong to stay there and left with Coco.

The audience kept shouting Mandy's name, and Tong Tong squeezed into the front of the table, only to find that it suddenly collapsed. At this time, Xiao Ye took his father, General Ye, and quickly left the scene. Li Zhongmou saw a sword step and pulled up the fallen audience. The assistant wanted to leave with Mandy, but she stayed to appease the audience. At this time, Li Zhongmou suddenly found the injured child and was anxious to send him to the hospital. After work, Tong Wu hurried home to celebrate her son's birthday, but unexpectedly met Manager Xu, who asked her to stay and work overtime. No matter how to ask manager Xu, he insisted on working overtime and offered to help with a smile. Tong Wu got on the bus with a birthday cake. Then Meiling called and asked where she was. Before she could finish, Tong Wu hastily hung up the phone and answered a new call.

The nurse told Tong Wu that her son was being treated in Yanjing Hospital. Wu Tong cried and begged the bus driver to stop. After getting off the bus, Tong Wu was accidentally knocked down by an electric car while stopping a taxi, but she didn't care about herself and was still in a hurry to go to the hospital. Dr. Li told Tong Wu that Tong Tong had lost a lot of blood and was in a state of shock, and needed an emergency blood transfusion, but Tong Wu did not match his blood type, and the matching blood type would take five hours to arrive. At this moment, Li Zhongmou passed by and asked about Tong Tong's illness. Tong Wu knelt down and begged him to give the child a blood transfusion to save the child. Li Zhongmou asked her to tell the reason, and Tong Wu told him that he was Tong Tong's father.