S Line S01E01 - A girl wearing sunglasses

Hyeon -suk, a girl who was able to see the S -line that shows sexual relationships since birth. Because of that ability, the family of the Hyunsims will be tragedy, and the scenes will be a hermit for a long time. Then one day, a mysterious serial murder occurred around the Hyunsim, and Hyunsux traces the case with the ability to see the S -line.