Oasis Season 1 Episode 13

Jung-Shin can't believe the appearance of Du-Hak in front of him. Du-Hak tells Jung-Shin everything that Cheol-Woong and his family did that destroyed Du-Hak's family. Jung-Shin is surprised to hear all that. Meanwhile, a cornered Man-Ok meets Yeo-Jin and shows her a letter written by Joong-Ho. Man-Ok threatens with a letter containing Joong-Ho's confession that he is Cheol-Woong's biological father. Du-Hak and his friends hatch a plan to take down Yeo-Jin.