Both series share a very dark atmosphere with a dark pallet of colors and they are taking part in a quiet city with a few residents. Also, both Beyond Evil and Hometown have a mystery that needs to be solved and the plot is unfolding in a way, that is difficult for the viewer to predict what will happen next. Lastly, both dramas have a very strong main cast and the themes that they deal with are similar.
In both series, the protagonists do a job that is related to people that have recently died. They are handling their personal belongings each with their own way and sometimes helping the people who are left behind or the individuals that have lost their lives. Also in both series the protagonists have some differences, but they work well together. There are also some similar stories.
Both movies have comedic elements that are blended well with the main story, which is in both films a case that needs to be solved.
Both take place in a school that has 'gifted' students and both series are thought provoking. White Christmas and The Gifted are 'dark' dramas that explore different subjects.
Both are revenge stories directed by Park Chan Wook. They both make the viewer feel sympathy for the protagonists. They are artistically made and they include complex characters.