The being Yama appears and Mark throws the criminal's soul to him, sending him to Hell.
Piper is able to convince Yama to leave Mark alone and after his burial, he moves on after saying a tearful goodbye.
When the sisters try their first spell, Jeremy is vanquished, and they discover the Power of Three.
Phoebe meets a photographer who turns out to be a demon who sucks the youth out of young women in order to remain young.
The Halliwell sisters gradually discover the strange events about the wedding, as Piper is catering the event.The sisters' estranged father Victor returns, and is immediately at odds with Prue who cannot forgive him for being an absentee father.He confesses he is trying to save the girls from the risks of having their powers by removing the Book of Shadows from the manor.Phoebe takes a job as a hotel psychic to pay for Prue's birthday present, and when foreseeing the death of a hotel guest, she has to try to keep him from being hit by a car.In the end, Piper exposes the criminal who is killed by Andy in self-defense.The encounter with Mark causes Prue to change her mind about celebrating her birthday and her sisters throw her a surprise party back at the Manor.Prue finds her sleep disturbed by strange dreams in which she is stalked and taunted by a wheelchair-bound man who is actually a sleep researcher named Whitaker Berman (Matt Schulze).The three Halliwell sisters discover that they are descendents of a line of female witches.Each has a special ability (stopping time, moving objects, seeing the future), and they can also combine their abilities into the "Power of Three" to fight demons, warlocks, and other evils.The sisters must try to keep their powers secret, while Prue's ex-boyfriend, Inspector Andy Trudeau, is investigating a serial killer whose victims are all witches.Piper narrowly escapes death when she discovers that her boyfriend Jeremy, an evil warlock, is the killer.While Phoebe is with him, Piper sees her friend Brittany Reynolds, who is now elderly and has a poor memory after being attacked by the photographer.Brittany recognizes the address of the photographer, allowing Prue and Piper to arrive in time to vanquish the demon and reverse the damage it had done.Piper and Prue manage to trap Kali in a mirror and Phoebe shatters it, vanquishing her.