C110 But I've Already Resigned

Why did Lu Shen's foster mother want to know if Tang Mufan and Lu Shen had any relationship? Could it be that Lu Shen and Tang Mufan's relationship wasn't simple?

Tang Mufan and Lu Shen did have some relationship, at least he had seen it with his own eyes.

But, should he tell that woman?

What was the relationship between that woman and Tang Mufan?

If it was an unimportant stranger