An entire day passed, and Shen Mingshu never found an opportunity to enter the study because Shen Zhiyuan remained inside the whole time.
It wasn't until evening that Zhao Rong brought word: Shen Zhiyuan intended to take her to the secret chamber that night to see Shen Ruizhe.
It had to be said that Zhao Rong was currently well-favored by Shen Zhiyuan. Since the secret chamber would likely be protected by other mechanisms, having Shen Zhiyuan lead the way that night was a perfect opportunity.
Chapter 138