A teenage runaway, who was the target of abduction by the Visitors for experimentation. She had runaway from her mother, Betty Allen and was walking down an alleyway when she was sedated by a Visitor tracker, who placed her unconscious body in the back of the van.
Erica and Ryan, while trying to discover Sarita Malik's assignment on Earth, discover about the abductions, and eventually save Sophie before she gets transported to the Mothership. They bring her back to her mother, and they have a tearful reunion. ("Laid Bare")