This quest is virtually unmissable, you’ll run into the man once you exit your home in Cobblestone. The man wants you to grab his son’ Flurry Feather that is stuck on the roof of the Hero’s shed. Head to the shed next to the Hero’s house back upstairs and use the crates to reach the roof, there’s a Sparkly Spot that you can find here, this is the Flurry Feather. Drop back down to the ground and hand over the feather to complete the quest.