I'm looking for Korean dramas where the lead, or even better, the main couple, are on the run because they are in danger. 

For example, in Two Weeks the main guy is on the run for a lot of the show.

Even a couple episodes of the drama with the main couple on the run would be great too (like in Joseon Gunman the couple is hiding from bad guys for a couple episodes or in A Love to Kill the guy convinces the girl to run away with him for a couple episodes).

I prefer modern kdramas, but am open to historicals.

Thanks!

Fugitive Plan B- This is the only modern one I can think of that has the main couple on the run.
Mandate of Heaven- This is the sageuk version of Two Weeks. The lead is accused of a crime and goes on the run to clear his name and to save his sick daughter.
The Princess' Man- The lead is on the run and plots revenge.
The Chaser is a modern K-drama in which the lead ends up being on the run (no romance though, in case that's a must for you).
Thanks for the suggestions! :)