Red Balloon - Season 1 Episode 10 Crossing The Line
Overview: Cha-won asks Eun-kang about Ba-da and Ki-han's relationship after seeing them together. Meanwhile, Jeon-hee records Ba-da's shocking remarks and calls Ba-da and Cha-won together for them to listen to it. Mul-sang, who has now confirmed Nam-chul's affair, sits with Nam-chul for a talk, and Geum-ah starts to snoop through Nam-chul's things. However, as Nam-chul falls deeper into his unfaithfulness, Eun-san's greed grows.