Worf, Kor and Dax search for an ancient Klingon relic.
Kor arrives with a clue to the Sword of Kahless, a relic lost for centuries, and takes Worf and Dax on a quest into the Gamma Quadrant to find it. A Lethean working for Toral, son of Duras, steals the information, and Toral follows them.
They find the Sword, and as they escape through caves with Toral in pursuit, Worf and Kor become obsessed with the power the Sword could give them and nearly kill one another. Dax stuns them both. In the end they decide that the Klingons are not ready for it, and they beam it into space.