Little is known about her life before the apocalypse, expect she had a daughter.
One day, Nick Clark encountered a seemingly-abandoned house within a village, unaware that this woman and her daughter were living inside. When she finds Nick sleeping and covered in blood, she is terrified and attacks Nick with a baseball bat in an attempt to scare him away. Despite Nick's efforts to reason with her, she continues to shout in Spanish, not understanding any English, and keeps attacking him, preventing him from gathering his supplies. As he runs off into the night, she continues to scream from the doorstep of her home with her daughter safely inside.
- This character is credited as Mother in "Grotesque".
- While the character is not specifically named, her actress Heidi García personally named her Sofia and briefly shared her character's backstory.