Shen Qingyi, the prime minister's legitimate daughter, has been in the middle palace for three years. She abides by her duties but is framed and thrown into the cold palace. In a desperate situation, she unexpectedly acquires the power of the "heart mirror" - her inner thoughts can be sensed by the emperor. Faced with the life-and-death test of giving birth to an imperial heir within three months, she chose to face the truth with an open heart, without resorting to tricks or losing dignity, and used wisdom and tenacity to uncover the mystery of the conspiracy layer by layer.
