
Actually, all they have is logic. They lack morals. And I wouldn't call it madness, since every step is calculated, deliberate and for her benefit. She probably don't even see herself as a serial killer, because there was a "logical reason" behind every people she made "go on a holiday".
Well, at least now we know WHY she's always a step ahead of her daughter because she ENJOYS her little game.

LOL but if I remember this season should be the final?…idk bc I remember checking out the raws on W app and it said completed a year ago so yea but omg somin is Fr coming for her mother throat while she’s probably gonna counter block whatever shi somin tries to attack her with (a battle of wits basically both using their insane IQ and mentality and how they’re both messed up in their head tbh)
OMGGG IT KEEPS GETTING CRAZIER but damn I knew she liked sol but why murder her like ik it was in the spur of the moment but damn