In their school days, Xiang Yuan pursued Xu Yan Shi with all her might to no avail. Reunited as adults, she is trying to save a company while he is deep in the mud due to problems in the workplace. Despite facing inequality, he is determined to pursue his dream to become a navigation engineer. In the process of dealing with the company crisis, Xiang Yuan gradually learns to take matters into her own hands. The two come to support each other as they realize their dreams.

Three hundred years ago, Bai Qian stood on the Zhu Xian Terrace, turned around and jumped off without regret. Ye Hua stood by the bronze mirror to witness with his own eyes her death. Three hundred years later, in the East Sea Dragon Palace, the two meet unexpectedly. Another lifetime another world, after suffering betrayal Bai Qian no longer feels anything, yet she can't seem to comprehend Ye Hua's actions. Three lives three worlds, her and him, are they fated to love again?

The story is set in the Song dynasty and at the beginning of the Jurchen-ruled Jin dynasty's invasion of northern China. The first part revolves around the friendship of two men, Yang Tiexin and Guo Xiaotian, who became heroes in their own right as they fought the Jin invaders. The bond between the duo is so strong that they pledge to each other that their unborn children will become either be sworn siblings (if both are of the same sex) or a married couple (if they are of opposite sexes). The story focuses on the trials and tribulations of their sons after Guo Xiaotian's death and Yang Tiexin's disappearance.

A princess descended from a ruined noble family disguises herself as the woman who saved her life and embarks on a mission to avenge her loved ones.