Though Ping Jing knows Lin Xi is not to blame, seeing her reminds him of Ping Zhang's sacrifice, which Ping Jing never wanted. Lin Xi accompanies Qian Xue to Langya Pavillion while Ping Jing heads north to help defend the border against Da Yu. The emperor is deteriorating and makes plans for the young crown prince and Ping Jing. Knowing their enemies will take advantage of the ailing emperor, Ping Jing stays at the border despite Yuan Qi urging him to see the emperor. (Source: frankly at MyDramaList)