Oasis is a love story of two young people abandoned by families. A young man released from prison visits the widow of the man he killed drunk-driving. There he meets her daughter, wheelchair bound with cerebral palsy. Will these two lost people find a way to make their relationship work?

Deliveryman Jongsu is out on a job when he runs into Haemi, a girl who once lived in his neighborhood. She asks if he’d mind looking after her cat while she’s away on a trip to Africa. On her return she introduces to Jongsu an enigmatic young man named Ben, who she met during her trip. And one day Ben tells Jongsu about his most unusual hobby…

Grandmother Mi Ja works part-time as a caretaker, and struggles to raise a teen grandson by herself. Despite her tough situation, she speaks softly, dresses fashionably, and approaches the world with child-like curiosity. Enrolling in a poetry class, she endeavors to capture life in verse form, but her simple dream of completing a poem is stalled by the early signs of Alzheimer’s disease and the heavy financial and emotional burden of her grandson’s shocking wrongdoing.

Sin-ae moves with her son Jun to Miryang, the town where her dead husband was born. As she tries to come to herself and set out on new foundations, another tragic event overturns her life.