Halbarad has asked that you find the missing refugee and bring her back to Esteldín.
'Those whom we take under protection here in Esteldín are not allowed to depart without my leave under penalty of death. This is the law, and it has protected us and kept us hidden from our enemies.
'It is likely that this refugee is only returning to her homestead and that she is no spy, but she must still be brought to judgement for breaking the laws of Esteldín.
'Search the eastern-most pass into Angmar and bring back the refugee, be she spy or otherwise.'
The missing refugee might be found in the eastern-most pass between the North Downs and Angmar.
Halbarad instructed you to search for signs of the missing refugee.
Halbarad is in Esteldín in the North Downs.
You should return to Halbarad and inform him that the refugee was a spy.