buffy, a caça-vampiros

at the first episode some vampiros try to give life to the master but buffy stops them!willow meets a guy named oz but he is a werewolf althouh she doesn't worry about it.buffy does sex with angel and he loses his shoul while two vampiros spike and drusilla arriving and deal with angel to kill buffy!angelus kills miss calendar because she was trying to restore his soul.xander is with cordelia and that makes willow angry and sad.finally they find the way to restore his soul but vampiros stop them and drusilla kills kedra the other slayer.angelus wakes up acaltha and open the door between hell and earth.buffy has to kill him but when that happens willow do the sell and angel is bagk with a soul!spike and drusilla leave and buffy tells her mom the truth and leaves sunnydale too without tell anyone about killing angel with a soul!