Seol In Ah gets surprised by a sudden truth about Jang Dong Yoon in the latest episode of "Oasis."

Meanwhile, Chu Young Woo continuously tries to win her heart over. Read on to know what happened in "Oasis" episode 12.

Lee Doo Hak Returns To South Korea

At the end of the previous episode, it is revealed that Lee Doo Hak (Jang Dong Yoon), who was shot and left for dead, was alive after being saved by Choi Dong Pal (Kim Byung Ki).

At the end of the episode, Lee Doo Hak reveals that he wants to get revenge on Choi Cheol Woong and the people who did him wrong from the beginning.

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Written by Elijah Mully.