In 280, when forces of the Jin dynasty invaded Wu, Yu Zhong joined the brothers Lu Yan and Lu Jing in defending Wu and they were all killed in action, after which Wu was conquered by Jin.
Yu Zhong joined the brothers Lu Yan and Lu Jing in defending Wu. This was in 280. Forces of the Jin dynasty invaded Wu. They were all killed in action. This was in 280. Wu was conquered by Jin after action.