After she stabbed Angel & sent him to Hell, she was quite depressed & had to leave Sunnydale-- I hope she got some help
.... the Beast was killed when Angelus stabbed him with his own bone, 
bringing... [DOC] [TLE] Spin Off: "Buffy The Vampire Slayer" and "Angel" - Poobala.com [PAR] The series picked up after the movie, reworking some of its plot elements.