Single mother relocating her family to Oklahoma.
Callie is Phoebe's single mother and eventually supports her supernatural investigation.
Callie moves to the inherited farm with her children, Trevor and Phoebe, after being evicted from their Chicago apartment.
Callie is Trevor's mother and guardian.
Callie relocates to Summerville with Trevor as part of the family move to the inherited farm.
Their relationship connects Callie's family life with Grooberson's interest in the paranormal.
Callie later dates Grooberson after he teaches Phoebe's summer science class.
Explore the full interactive character relationship map of Ghostbusters: Afterlife