I'd like to point out that their relationship isn't as extraordinary as in other dramas, but rather simple and adorable. The plot is primarily based on the trauma of the male lead and some of the trauma of the female lead. Kim Do Ha was traumatized by his girlfriend, who possibly committed suicide. As a result, he was arrested because they believe he is the murderer. At one point, he appears to believe he is a murderer because he was responsible for his girlfriend's death. He has become a well-known songwriter and has distanced himself from the public eye as a result of that case that occurred many years ago. Now, let's talk about the trauma of the female lead. Sol-Hee's trauma was caused by her mother, she discovered her mother was conning people to make money when she was young. When one of the people her mother conned met her, the female lead realized she was telling the truth and helped in finding the money. When she discovered the money, this person ran with it. For many years, she felt indebted to her mother because of this. Her power may appear to others as a blessing, but it is a curse to her. She can tell if someone is lying but cannot tell why they are lying. She couldn't date for very long due to this power, and also the reason why she and her mother don't get along well. The relationship between the male lead and the female lead began when he moved next door due to reporters wanting to know how he looks. At first, their relationship was simply that of neighbors, but they slowly came to know each other better. He would always hide his face from people and she accidentally helped him because of her powers. She thought he was strange for hiding his face, her curiosity got the best of her and she took down his mask to see how he looks. She later discovered he was the famous songwriter Kim Do Ha before he told her because of work (it's a job where she gets paid to tell someone if someone else is lying to them or not). He eventually gains confidence in showing his face to the female lead.