Worf questions his faith as a Klingon legend returns.
Worf is in a spiritual crisis, and takes a leave to visit a monastery on Boreth, where he hopes to find answers. There, the monks claim that Kahless, the legendary founder of the Klingon Empire, will return. When Kahless appears, Worf is moved, but others are skeptical.
The Klingon leader, Gowron, is troubled by the arrival of a figure who could threaten his power. The story is an exploration of faith and political power, and it gives the audience a deeper look at Klingon beliefs. It is a thoughtful story, with a surprising revelation about the identity of Kahless, and it continues the long arc of Worf's development.