Mo Nuan didn’t want to get involved initially, but seeing Ji Minjia's condition—her nose bleeding badly—she couldn’t just turn away.

With Mo Nuan's help, Ji Minjia managed to stand, though she nearly fell again as her vision blurred. Mo Nuan held her steady and said, "I’ll take you to the hospital."

Mo Nuan hailed a taxi and took Ji Minjia to the hospital. The diagnosis was a nosebleed along with multiple scratches on her face and body. The doctor prescribed IV fluids and had a nurse treat her wounds.

By now, Mo Nuan was half an hour late for work, so she called Sun Xue to ask for leave. Fortunately,...