she made patient sing those lines, but those white paper notes with red ink.. that was mom giving instructions..

Now imagine the previous scene wherein daddy Ko was saying mom was like an angel and he killer her.. the only one to hear that was the head nurse..

lol..this was nicely done.. when head nurse is 1st introduced, we see she is not normal.. but then later episodes really showed her in such a “normal” light that i personally started doubting if she is or if she can be the mum