Okay so let me just say this Bizi Tang thing is NOT what it seems and I am HERE for it. At first I thought it was just some poison to keep Song Jinyin from getting pregnant—classic trope, right? But the way the author reveals it is SO satisfying. She drinks it after every encounter because Pei Yanzhou won't give it to her willingly, and it causes her AGONY. The author drops this detail like a bomb in Chapter 2 when Ye Wanqiu demands she kneel and play the qin, and Song Jinyin is already pale with pain. That's when you realize: this isn't just a plot device, it's a whole system of control.
And the structure of these first three chapters? Chef's kiss. Chapter 1 establishes the power dynamic in one brutal scene—the interrupted intimacy, the cold question 'Song Jinyin, who am I?' That line alone tells you everything about Pei Yanzhou's mindset. Then Chapter 2 escalates by introducing Ye Wanqiu as the new threat, and Chapter 3 delivers the emotional gut-punch with the flashback to the lotus pond. The author basically says: remember when he SAVED her? Yeah, that boy is GONE.
The parallel between the ice scene and the current situation is what really ties the plot together. He broke through ice to save her life once, and now he's letting another girl physically punish her. The plot isn't just 'cruel master loves concubine'—it's about how that past rescue was the LAST time anyone in this house treated Song Jinyin like a human being. I need to know what happens next. Is the Bizi Tang actually killing her slowly? And what's with that jade pendant Pei Yanzhou won't let her keep?