After you ask the youths what they know of the masked man, you receive a secret message from the youths' leader, Wilred, asking to meet.
This quest is available if you have completed the quest The Bear and the Young'uns' Cares.
Starting the Quest
Talk to Hremfing in Little Ala Mhigo in Southern Thanalan to begin the quest.
Rendezvous with Wilred
Go southwest through the gate to go outside, then go northeast to the quest destination and talk to Wilred. Defeat the two Ala Mhigan Youths who attack.
Talk to Wilred to learn the youths' motivations.
Report to Gundobald
Go back to the southwest gate into Little Ala Mhigo and talk to Gundobald.
Next Main Scenario Quest
After you complete the quest, talk to Gundobald to accept the next quest: Big Trouble in Little Ala Mhigo. There will be a cutscene.