In both the main lead believes that the girl caused harm to their loved one and decides to take revenge on them but ends up falling in love . Extremely dark and twisted romances.
The characters also are both connected to the murder that happened in the past and develop romantic feelings while working together. However instead of police it's connected with low. There is also a few separate cases that that characters solve, but the main mystery is present there all the time. General booth dramas are great, tightly written with interesting character development (especially villains) . And thay give of the same feeling, even though I Hear Your Voice have fantasy elements.