The soul of a female engineer was transported to the former princess in the cold palace. She was bound to the emperor's training system to survive. She was framed by the imperial concubine and hated by the emperor. She secretly gained strength with modern knowledge. When the enemy forced her to marry, she fell into a desperate situation where she would die or be executed for disobedience. The difficult task of the system reversed the situation and secretly formed a network; the emperor Chi knew that she was the savior of the past and chased her to the national border, but she abandoned her plan and left, unlocking a new journey in the north. The two of them understood the cause and effect, and started their own stories.
