After losing his comrades on the battlefield, Chae Soo-hyun, who has been discharged due to PTSD, receives a request for protection. This is because actress Ji-ae, who has been maintaining her status as a top star in the country for several years, has a stalker. Overwhelmed by the frustration of losing his comrades, Chae Soo-hyun initially refuses the request. Actress Ji-ae, Lee Ji-eun, is also in a situation where she cannot keep anyone close due to the fear and terror of not knowing who the stalker is. However, Soo-hyun ultimately accepts the protection request after seeing Ji-eun trembling in fear, perhaps in a way similar to himself. Ji-eun, in turn, begins to rely on Soo-hyun, who is willing to give everything for her. As the two live together, bickering yet growing closer, they seem to regain the peace of their daily lives by capturing the mistaken stalker. But this time, Soo-hyun encounters a dark fate from his military days once again in Korea... * "Wait a minute." As the distance between them widened, Ji-eun approached. She came closer and took out the mobile phone she had kept in her pocket without showing it and handed it to Soo-hyun. Even without words, he understood what this action meant. Soo-hyun's eyebrows slightly lifted as he focused on the phone. "Please give me your number, even if you don't want anything from me, Soo-hyun." For the first time. This person called my name. The person who had been cold to me finally called my name. Soo-hyun swallowed hard. It was perhaps the first time a complete stranger had called his name. Soo-hyun looked at Ji-eun, who could only be seen when he looked at her face. He liked the way she called his name. After two full days of being cold and cruel, the fact that she called his name made Soo-hyun happy about this small thing. "I might think of something I want to do for you, Soo-hyun. To be honest, I can't think of anything right now. But if I do think of something... yeah. If I think of something I want to t