Oasis - Season 1 -

: Three childhood friends—Lee Du-hak, Oh Jung-shin, and Choi Cheol-woong—navigate a complex love triangle. Their lives are shattered when a tragic accident occurs, and Du-hak's father forces him to take the blame for a crime committed by Cheol-woong, leading to a four-year prison sentence.

: An intelligent boy born into poverty who turns to a life of crime and revenge after being unjustly imprisoned. Oasis - Season 1

The story is set against the backdrop of a rural village and later moves into the gritty urban landscape of a changing South Korea. : Three childhood friends—Lee Du-hak, Oh Jung-shin, and

: Years later, the trio reunites, but their paths have diverged sharply. Du-hak has become a "political gangster" seeking revenge for his family's suffering, while Cheol-woong has risen to power as an elite. The story is set against the backdrop of

: The series explores the clash between ambition and morality, the "birth secret" trope common in melodramas, and the struggles of youth amidst a military regime and rapid economic growth. Key Cast & Characters