C212 Be Careful of Your Eyes

Why did her attitude suddenly change? Did Mom do something to make her suspicious? No, that can't be it. Mom is always so cautious and careful, even Dad can't see through her facade. There's no way Niannian could figure it out either. But if she didn't see through Mom's schemes, why would she use words like "greedy" and "vicious" to describe her? Suddenly, she's so wary of Mom