Both dramas cover crime cases that dig into the cases by giving each suspect a background story, dramatized with flashbacks as to why they did what they did. Both dramas have gripping cases and stories that make the viewer curious what will happen next.
Both are revolving around a group of police officers that work together to solve crime cases. In both dramas those cases have a special link to the officers. Both dramas deepen the cases by also focusing on the suspects and the victims. Both thematize cases that grip the viewer.
Cinematographic-wise and also music-wise both are also working with the same elements.
Both female leads are very similar in terms of character. They both are the leaders of their squad, they both try to find out what has happened, and are very strong and smart female leads. Also the cases resemble one another quite a lot and have as a theme revenge.
Both are crime dramas where the leader of the investigation team is a woman. Both women are very smart and skilled to find the culprits of the cases they handle. Both women are challenged by the work and family situation.
Both give off a very similar feeling.