Jung Se Ok was going to quit after her first kill, right? But after that prof of her visited her and was unfazed by the fact that she murdered someone and even asked her if she can bury the body on her own, she realized that the prof is also a killer like her. That's why she got excited and then continued working as a doc?
I don't get it. So the guy holding dongju is eunnam's dad. The woman next to him is dongju's mom. But why are they a couple? And why is Heo Il Do looking at Dongju's mom?