Oasis (2023)

Episode 13 (1x13)

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Jung-shin can't believe the appearance of Doo-hak in front of him. Doo-hak tells Jung-shin everything that Cheol-woong and his family did that destroyed Doo-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. Doo-hak and his friends hatch a plan to take down Yeo-jin.