- North-South Korean relationship in both drama
- 3 NK spies in both drama
- sad ending in both drama
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- sad ending in both drama
- betrayal and politics in the background
- the main lead is a student
- Park Sungwoong in both drama

- both drama set in the 1980s South Korea
- Park Sungwoong is starring in both drama
- both drama is black comedy

- there is a political conspiracy in both drama
- there are lot of violent death
- it's more thriller and romance

- the events are on the same year
- both sad but instructive
- I recommend the movie to everybody who interested in Korean history and would like to understand the background of the series

- it's about the democratic movement and struggle of Korean people for the freedom
- A Taxi Driver is about a true story, but Snowdrop is a fiction
- Both sets on the time of Fifth Republic of Korea

- both drama is historical, but the series set in 1987, and the movie sets on the 1970s
- it has a good and age-appropiate background
- drama with action and suspense

- there is a political conspiracy in both dramas
- they would like to expose it
- the main lead loses one of the relatives
- action with a little romance

There is a lot of gunfight, action and suspense in both drama and one of the leads live a double life. They doesn't contain a lot of romance.
SPOILER: The main male lead dies by guns in both drama. The female lead lose almost everything.