Gains the power to freeze time (temporal stasis).
After the death of their grandmother (Grams), the three Halliwell sisters reunite in their family manor in San Francisco. Phoebe, the youngest, returns from New York and finds an old "Book of Shadows" in the attic. Upon reading an incantation aloud, she unknowingly activates the sisters' latent magical powers:
A successful, serious professional working at an auction house.
This episode set the tone for the series' blend of sisterly drama and supernatural action, which lasted for eight seasons.