This page of the Assassin's Creed Valhalla guide provides a detailed walkthrough of The Huntress quest.
Reward for completing the quest: 3400 XP.
Petra has noticed wolves circling too close to the settlement and asks Eivor for help. Agree and go hunting with Petra.
On the hill you will meet a man running away from a pack of wolves. Deal with the animals and then talk to the man and Petra to complete this quest.