Beware of Dog

I hope someone else can add the rest I'm just starting it up. I can't figure out what the point is of this quest or what happens if you choose the different options.

Acquisition
Becomes available in ACT 3 with Mabari. Going into Hawke's Estate and checking the bedroom will initiate the quest.

Walkthrough
You can yell at the dog or play along with it to then figure out there's a thief in the wardrobe. The options are to have the Mabari call a guard or to let the thief go. Ignoring the problem may lead to a love interest being killed if they are living with you(unconfirmed).