The female lead and the male lead flirt in the hospital. The female lead was just acting as a substitute, while the male lead was only putting on an act. He was forced by the female lead to take off his pants and check, taking the opportunity to flirt with the female lead. The female lead was so angry that she lied and claimed that he had lost his kidney, causing the entire city to be in turmoil. The male lead used this to force the female lead to impersonate his girlfriend.