Chu Yan, the adopted daughter of the General's Mansion, took the blame for her biological sister Chu Ying and became a slave in Yetingsi for three years. On the eve of leaving the palace, she counterattacked and framed her, and uncovered the secret of Lanling King Qin Che's day and night madness. However, she was forced into marriage by the general's palace and buried alive with her. After escaping from death, she learns that she is the real daughter. She avenges and tortures the scumbag, protects her grandmother, finds out the conspiracy about her life, gets to know and fall in love with Qin Che, and joins forces to bring down the mastermind behind the scenes, and finally achieves happiness.