Mysterious Train Season 1 (Episode 8 – 12 Added) (Korean Drama)

Haunted by the thought that his drunkard father killed another man before also dying on the same day and not paying for his crime, Seo Do Won lives his life trying to secretly repay Han Seo Kyung for his father’s sin while hiding the truth. He is now a detective who overworks to escape his guilt, and she is a prosecutor who is still looking for her father’s killer.