Arriving in King's Landing, Ros finds employment at a brothel owned by [[Littlefinger]]. He tutors her and another prostitute, [[Armeca]], in the art of seduction. Ros learns that Littlefinger is infatuated with a woman who was betrothed to a man who injured him in a duel, but she later married the man's brother. However, it does not appear that she recognises the woman in the story as Lady [[Catelyn Stark]].<ref>"[[You Win or You Die]]"</ref>
[[File:Rosandpycelle.pngjpg|thumb|Ros is bored by the Grand Maester's ramblings]]
Ros's services are employed by [[Grand Maester]] [[Pycelle]] in King's Landing. As she gathers her clothes to leave, Pycelle begins to tell her about all the kings he has served, eventually his ramblings fade and she becomes impatient, questioning him about the original point of his speech. She leaves, frustrated.<ref>"[[Fire and Blood]]"</ref>