Jiang Yunshao, who grew up in the countryside after being separated from her family, finally returns to the capital. She sets her sights on Meng Xinghe, the heir of the Marquis of Dingbei, who is rumored to be frail and doomed to a short life, intending to marry into the marquis's household and enjoy a life of luxury. The two become acquainted through a wall, cautiously testing each other and engaging in a game of push and pull, only to unexpectedly uncover long-buried secrets. While dealing with conflicts within the household, Jiang Yunshao gradually approaches the calculating and enigmatic Meng Xinghe. Though both initially have their own schemes, tender feelings begin to blossom between them as they spend time together, leading them to unravel the many mysteries surrounding each other.