The eldest princess, Shen Lingyue, who was forced to go to a foreign land as a hostage, returns one day with a carefully plotted plan for revenge. She uses a mutually beneficial marriage to compel General Xiao Heng to become her ally. Together, they navigate between an ambitious elder brother and a suspicious, jealous emperor. As conflicts rise among brothers and power struggles engulf the court, they move from mutual distrust to relying on each other for life and death. At this point, Shen Lingyue not only seeks to avenge her blood, but must also carve out a path of survival with her lover in this ruthless imperial power.
