On Edward’s wedding night with Charlotte, the marquis’s daughter, war called him away for three years. He returned victorious with a mistress and son, demanding she be his second wife. Charlotte refused the humiliation and sought separation. The emperor she once saved, Alex, secretly aided her and offered her his throne.
The loyal and accomplished Princess Imperial, hailed as the Protector of the Nation, serves her country with distinction. However, the Emperor, fearing her influence, betrays their sibling bond by orchestrating a marriage to strip her of power and ultimately plots to have her killed. Discovering the truth, the enraged Princess Imperial leads her army to overthrow the Emperor, seeking justice and the truth.