She was married as a stepmother, but she hid a shocking secret. In order to find out the truth about her sister's death, Jiang Yue, a concubine, used her weakness as an edge to sneak into the Hou Mansion. On one side is his affectionate brother-in-law Pei Jing, and on the other is his former enemy who is pressing closer and closer. When the disguise is revealed, is the chess game she carefully laid out for revenge or redemption? And when the fire broke out in the house, why did the man who was supposed to hate her travel across the mountains and rivers looking for her? Can this relationship that started with lies wait until the truth comes out?