(Y/n) is an experienced detective who leaves no cases unsolved. When at the station one morning, she is assigned a complicated homicide case, seeing as to how there are no solid leads to the murderer- who is still roaming the streets without having a care in the world about being caught by the police. In the midst of solving the case, she meets the mischievous and slippery killer. Apparently intrigued by (Y/n), he decides to make her the object of his cruel jokes and taunting behavior. Will this killer get bored like he did with the last few, or will something truly sinister blossom between the two?

When the person you love most is violently taken away from you, you set out on a dangerous journey to find out what happened to him, making your life goal to discover the truth. What you don't expect though, is to uncover secrets that come out of the darkest abyss, accompanied by a cannibalistic creature with a navy-blue mask that eternaly cries back tears.