What happens when you unknowingly catch the attention of someone dangerous? This was the case for detective Park Y/N when she unknowingly caused a serial killer to fall in love with her when they had a small encounter with one another. Now the murderer is willing to show their love to her by killing. Not just any killings but replicating kills from famous serial killers and unsolved deaths. It is up to her and her partner Min Yoongi to find and capture the individual. However when the Killer sees how close Y/n and Yoongi are getting they become angry. Putting Yoongi's life at risk. Will she be able to stop the killer in time? Will she be able to save Yoongi?