S Line (2025)

Hyun-heup, a high school student who has been able to see mysterious red lines since birth, finds himself at the centre of a strange phenomenon that exposes people's intimate histories

A strange red line appears between people who have shared an intimate relationship, making their private histories visible to anyone who can see it. When special glasses hit the black market, hidden affairs and relationships are exposed, causing widespread social upheaval. As murders and other mysterious incidents follow, a detective joins forces with a teenager gifted with the ability to see the lines and begins searching for answers.