After your return from the battlefield, you meet with Hoary Boulder in The Rising Stones.
This quest is available if you have completed the quest The Face of War.
Starting the Quest
Talk to Hoary Boulder in The Rising Stones in Mor Dhona to begin the quest. There will be a cutscene.
Speak with Maxima in North Silvertear
Go outside and go south to where the orange arrow is pointing in the minimap. Talk to Maxima and there will be a cutscene.
Speak with Cid
Talk to Cid to complete the quest.
Next Main Scenario Quest
After you complete the quest, talk to the Resistance Fighter to accept the next quest: A Requiem for Heroes.