The main character was Buffy Summers. She was played by Sarah Michelle Gellar. Buffy was an ordinary high school student in the fictional city of Sunnydale, California, except for being a "vampire slayer." Buffy's Watcher was a British man named Giles. With the help of Giles and her friends, Xander and Willow, Buffy fought a different monster every episode. (aside from the main villains of each season).