This is Lin Wan's fifth year of work. The old injury to her lumbar spine always hurts a little after the rescue. The red mark from the mask is the medal she is most familiar with. The roar of family members suddenly echoed in the corridor in the early morning, and the reflection of the Rolex watch hid anxiety and distrust. She stood in front of the young doctor and spread out the medication list with a rock-steady hand. Her eyes looked past the dispute and landed on the white knuckles of the girl at the door of the intensive care unit - there was something more important than anger there.