In 1993 Seoul, the city is terrified by a serial killer who leaves behind strange silk ribbons and a trail of broken families. Mina is a young, dedicated journalist who is determined to give these victims a voice. Working alongside the intense Detective Son Chaeyoung, Mina gets closer to the victims' daughters promising them that she will find the monster who took their mothers. But as the ink dries on her viral articles, the line between reporting the news and being part of it starts to blur. How far will a writer go to get the perfect ending?