Hired by a geeky software magnate to prevent a seedy blackmail case, Angel has a run-in with Charles Gunn and his gang of vigilante vampire killers.
Angel tries to persuade the gang that they are taking on more they can handle, but Gunn ignores the advice. Soon after, his sister is killed and turned into a vampire.
Gunn's sister offers him immortality, but he kills her out of kindness.
Later, Angel tells Gunn that he may need his help some day.