Increasingly frustrated that her father won't let her die, and doesn't know the truth, she lashes out, causing a series of deaths based on the stories he reads her; a man with a Wile E. Coyote tattoo attacks three overweight builders who are brothers ("The Three Little Pigs"), an old woman attacks a pair of hikers and attempts to eat the male ("Hansel and Gretel"), a teenager is tied up and beaten by her stepmother ("Cinderella"), and the man with the tattoo attacks a grandmother and abducts her granddaughter ("Little Red Riding Hood").
When Dean sees Callie, who is obviously a spirit- her 'ghost' not having aged even as her physical body has-, she indicates that she was poisoned by her step-mother by leaving behind an apple. Sam has to convince Dr Garrison of what Callie is doing, and with Callie's help, succeeds. Once he learns and accepts the truth, Doctor Garrison lets her go and Callie dies and her spirit finally moves on.
- See also Vengeful Spirits
To date, Callie is the only occasion where the Winchesters have encountered a 'ghost' of someone who is technically still alive.