Su Jin, a modern cultural relic restorer, accidentally traveled to the Dajing Dynasty during his work and became a concubine who was framed in the Hou Mansion. When he was about to die, he successfully restored the dragon-patterned jade pendant with the help of modern professional cultural relic restoration technology and turned the corner. The legitimate daughter was resentful and refused to let Su Jin go. She was prepared to execute her secretly. Can she survive in this desperate situation? What crises and challenges will she face in the future...