Doctor Stranger
닥터 이방인 (original)
As a child, Park Hoon and his dad were kidnapped and taken to North Korea. He grew up there, learning to be a doctor just like his father. When Park Hoon escapes back to South Korea and begins work at a prestigious hospital, he makes it his goal to earn enough money to go back to North Korea to rescue his true love. He'll do anything to find her, but then he meets and falls for a mysterious woman who looks exactly like her.
Starring Lee Jong-suk, Park Hae-jin, Jin Se-yeon, Kang So-ra, Jeon Kuk-hwan, Lee Il-hwa, Choi Jung-woo, Kim Ji-young, Park Hae-jun, Jeong In-gi
It's a drama and action & adventure show, and has a rating of 7.5 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from United States.