A Chumash Indian spirit named Hus is freed on Thanksgiving by a construction crew and goes forth to seek revenge on Sunnydale for past wrongs against his people. Meanwhile, Angel secretly slips into town to keep a watchful eye on Buffy after his friend Doyle has a vision that she may be in danger. Angel: David Boreanaz. Spike: James Marsters. Xander: Nicholas Brendon. Giles: Anthony Stewart Head.