Where is the place to have the wolf puppy Quest

You have to have the second one ,Sloth Creek, and you have to be playing on single player. First you need to defeat all 3 of the Stranger wolves in each territory, then find a mate of the opposite gender.After that a pop-up will come up and tell you to save, click esc,new game,sloth creeck,and then you find a den, mark territory and then you will have puppies!