While taking a tour of Alcatraz, Phoebe sees the ghost of killer take possession of a guard's body so he can cross the waters surrounding the prison, and must stop him before it's too late. Meanwhile Piper worries about leaving Prue and Phoebe alone as she leaves on a business trip.
Elenco: Holly Marie Combs , Alyssa Milano , Rose McGowan , Brian Krause , Kaley Cuoco , Alyssa Milano , Dorian Gregory , Drew Fuller , Jason Lewis , Kaley Cuoco , Ashley Tisdale , Eric Dane , Finola Hughes , Greg Vaughan , Ivan Sergei , James Read , Jennifer Rhodes , Kerr Smith , Nick Lachey , Theodore William King .