So I had stopped the series after the 1st episode because it got too dark and reading the comments below make…
I wouldn't say it is dark, compared to other dramas it isn't as scary. Also a lot of people say that its slow paced storyline but they move it along well so you are interested in what will happen next. I'm not one to normally watch law/thriller dramas but this drama does it really well. The best I can describe it is like Again My Life but with a more intricate revenge plot :)
Thats whats I'm thinking! K was probably a person who helped him as a child that's why K is always talking about how he is hero, he was a hero for Su Yeol's younger self
The phone, y’all the phone!! All Ae Jin had to do was protect the phone. When you’re living a secret life,…
I think your theory on the sister makes the most sense. I honestly just thought she had a mental illness and her sister was never actually a real person. Maybe ae jin doesn't know that girl wasn't her real sister. She probably was traumatized so she forgot some of her childhood memories and she connected the dots with what little she remembered.