Complex sentence: Buffy meets two schoolmates, Xander Harris and Willow Rosenberg, who help her fight evil through the series, she also gets a love interest in the form of Angel, a vampire who has a soul.
Split into simpler sentences: Buffy meets two schoolmates, Xander Harris and Willow Rosenberg, who help her fight evil through the series. She also gets a love interest in the form of Angel, a vampire who has a soul.