During the troubled times of the Republic of China, the heroine, who was carrying a secret message, was forced to marry Zhang Yi, the son of a warlord. On her wedding night, she discovers that her groom is the mysterious "assassin" who saved her during the day. The two secretly fell in love amidst suspicion and temptation, but they didn't know that behind this manipulated marriage, there was a shocking conspiracy that could shake the entire situation in North China.
