Kim Gyu-nam

Anonymous and exploitative, a network of online chat rooms ran rampant with sex crimes. The hunt to take down its operators required guts and tenacity.

Ha Yun-seo learned that Seo Ju-won, her lover of 3 years, is the youngest son of a rich family. She receives money in exchange for breaking up with him. Yun-seo tries everything to break things off but Ju-won doesn't give in.