The series "S Line" delves into a world transformed by a mysterious phenomenon: a red line appearing above people's heads. This enigmatic line visibly connects individuals who have had sexual relations, exposing private histories and sending society into a state of confusion and revelation.
Detective Han Ji Uk spearheads the investigation, driven by a relentless desire to uncover the truth behind the red line's sudden appearance and its profound implications. As he delves deeper, he confronts the complex ethical and social dilemmas this new reality presents. Supporting this intricate narrative are Gyu Jin, a quirky high school teacher navigating the challenges of a suddenly transparent world, and Hyun Heup, a unique high school student who possesses the extraordinary ability to see these connecting lines since birth. "S Line" promises a gripping exploration of human connection, societal secrets, and the quest for understanding in an unprecedented global event.
Other names: Eseulain, S Rain, S라인, 에스라인