A Haunting Hitchhike (2019)

Sixteen year-old girl Jeong-ae receives a letter from her mother, who left home long ago. Jeong-ae is living with her father in the redevelopment area of Seoul. He was diagnosed with an end-stage cancer and is waiting for his death while giving up treatment. Jeongae is on her way to find her long lost mother, thinking that it is her only hope left.