The BAU investigates a killer with ritualistic tendencies, when a series of male bodies are found oddly disposed of.
Spike returns to Sunnydale and kidnaps Willow so she can create a magic spell that will make Drusilla love him once more.
The discovery of an old, wrecked car on the island leads Hurley on a mission of hope; Kate and Sawyer reunite with their fellow castaways; Kate remains unsure about leaving Jack behind.
Locke goes in search of help to further his cause.
Sabrina casts a spell on her teachers when her academic achievements go unnoticed; Zelda learns she owns a fiefdom.