This section of the Guide to Greedfall contains the walkthrough of the Face of Egon side quest.
Where to start the quest?: After completing a side mission Human Trafficking.
Talk to captain Ulric. Then storm the secret camp. Fight with opponents and then start arresting individual leaders of the place. Carefully search the illuminated rooms in the building to find a letter or a bottle of poison.
The evidence you obtained will be handed over to Manfred in New Serene. You will be asked to arrest the real Egon. Go to the square next door and fight with the man.
You will complete the quest - you get 2200 XP and + 2 reputation with the Coin Guards.