"You're not my slave, you're more precious than that"

[COMPLETED + EDITED] The city of Seoul had never seen such notorious killings before now. With every week passing there is always a new corpse found in the most random places. Never the same gender or age, but always the same way of being murdered, strangled, and then the heart perfectly carved out; Detective Kim Seokjin, head of the case won't rest till he finds this psychopath that always perfectly cleans up after themself and never leaves a trace behind; They say keep your friends close and your enemies closer, so what happens when the detective finds out that he's had the killer so close to him all along? Highest rankings: #1 -houseofcards 04/12/19