He is the ruthless crown prince of a defeated country, and she is the arrogant princess who was thrown to the enemy country by her own brother. After several twists and turns, he had already fallen deeply in love; and her original purpose was just to use him to return to her motherland... The country was ruined and the family was ruined, and the past events that had been hidden for decades were revealed one by one. She thought she had no relatives and no love, but when she looked back, she found two men fighting for her life and death. Where should this fateful entanglement go...