"She was already stressed, tired," Pena says. "There was a lot of us there too. People she didn't recognize."
Volunteers waited until Princess Sophia relaxed again. The patient ebb and flow of trust lasted two and a half hours. In the end, all 14 puppies were rescued, including Princess Sophia.
After getting much-needed medical care - the entire family was covered in fleas - Princess Sophia and her newborns were taken to a temporary foster home.
Again, trust came slowly for Princess.