Please Find Her (2017) Korean Drama

Can you find someone whom you saw once in the city with a population of 10 million people? A young Dutch man, Jan, flies 8000 km from Netherlands to Seoul in search of the girl he fell in love at first sight. He wanders into Itaewon, a neighborhood known for its large population of foreigners and diversity, and meets unique Koreans, such as Kim Jung-Nam, the legendary owner of restaurants in Itaewon, an oddball named Man Doo, and his beautiful stewardess sister, Ha Yeong, who go out of their way to help Jan find his love.