Sheng Mingshu, Shen Zhixu, and Xu Chongning were childhood sweethearts who made an oath of never being apart since childhood. But their beautiful friendship crumbled with Chen Xiao's intervention. Faced with Chen Xiao's unscrupulous schemes and relentless advances, the former oath was reduced to a joke, and the familiar childhood companions were no longer what they used to be. In this ill-fated old love that was misplaced, only Sheng Mingshu was left to move forward alone.