A decade ago, young Prince Ji Yu encountered Long Yang, a commoner who thwarted his attempt to kill peasants accused of treason. Long Yang, stealing Ji Yu's bow, was captured but forgiven, impressing the prince. Ji Yu gave him a keepsake, which Long Yang retained.
In the present, Long Yang serves as a palace guard for five years without Ji Yu's awareness. After a battle, assassins attack Ji Yu, and Long Yang is gravely wounded protecting him. As he loses consciousness, he witnesses an arrow aimed at Ji Yu, potentially ending his life.
Upon awakening, Long Yang finds himself a year in the past, seizing the chance to alter the future, he reveals his identity to Ji Yu, who recognizes him by the keepsake. Long Yang becomes Ji Yu's personal guard, and their passionate romance blossoms. However, they must contend with Ji Yu's jealous fiancée, Chang Qin, and her efforts to drive them apart.
(Source: MyDramaList)
