The video above is the The Witcher 3 Wild Hunt Twisted Firestarter Secondary Quest Walkthrough and shows how to complete Twisted Firestarter, the quest featured in The Witcher III: Wild Hunt.
The video walkthrough covers the following objectives:
Use your Witcher Senses to look for evidence about the arsonist behind the forge.
Follow the trail.
Talk to the suspect.
Return to the blacksmith.

