Could have been told in 10 minutes, but it drags on for 4 episodes. It's very repetitious. The kid is charming, intelligent, cold, lacks empathy. Hello, textbook psychopathy, but no one seems to go there. Everyone handwringing that there is no motive and no motive is ever uncovered except some half baked nonsense that the father was abusing one of the sisters and in order to protect her, he kills mom, dad, and his two sisters, including the sister he supposedly wants to protect. He bragged about it being manslaughter and according to the law if he was convicted of manslaughter instead of murder he would inherit. He was and he did. It seems that's the most plausible motive