Dhoop Kinare is a legendary Pakistani drama. We saw all the episodes back in the 1990s at my aunty's place. After a lot of search, she finally found a site that has put most good episodes online. Here, I embed the last and perhaps the most romantic episode. It's 30 minutes long, so see it when you have time. But see it.
Links to this post / further reading:
Zoya (Marina Khan): 1) Wikipedia 2) Interview
Dr. Ahmer (Dr. Rahat Kazmi) : 1) Interview 2) Wikipedia
Haseena Moin (Writer) : 1) Wikipedia 2) Interview 3) Another interview