Eucalyptus globulus means loneliness, and he was named Zhao eucalyptus by his mother. Ou is oats, an annual herb, which means strength, and her name is Gu Youjia. In Zhao Lanyu's memory, Gu Youjia was always the little girl with a runny nose who loved to follow him and listen to what he said. In Gu Youjia's memory, Zhao Lanyu was always the young man with a serious expression and an unreasonable calmness. Time will take people to different places. Neither Zhao Lanyu nor Gu Yujia would have imagined that meeting again after so many years would be so painful. What Zhao Lanyu brought to Gu Yujia was a scar that could never be healed but was reluctant to cover up. What Gu Yujia brought to Zhao Yujia was a guilt that he could never forget in his life.