Back on the U.S.S. Enterprise, Worf and K'Ehleyr share a tender moment, and Worf agrees to befriend Alexander. Meanwhile, Picard stalls for time by subjecting Duras and Gowron to an ancient ritual where they must prove their worthiness. Gowron later offers K'Ehleyr a bribe to influence Picard's decision, but she refuses.

The discovery that the bomb in the explosion was of Romulan origin leads the crew to suspect that one of the Klingon rivals plans to form an alliance with this Federation enemy. K'Ehleyr suspects Gowron because of the attempted bribe, but her suspicions turn to Duras when she finds evidence that proves Duras was involved in the conspiracy that led to Worf's discommendation, and that he somehow forced Worf to take the blame.

Dr. Crusher discovers that the bomb was implanted in the arm of one of Duras' men, while Duras attacks K'Ehleyr in her quarters. Worf rushes in, and K'Ehleyr gives him Duras' name before dying in his arms. An outraged Worf transports to Duras' ship. He attacks Duras, who reminds Worf that he is the only one who can clear his name. Worf kills him anyway, accepting his fate for the sake of vengeance. Returning to the starship, Worf informs Alexander that he will be cared for by Worf's adoptive human parents, and answering the boy's query, embraces him as his son.

Lieutenant Worf: You have never seen death. Then look, and always remember.

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Federation-Klingon Liaison K'Ehleyr: [to Worf] How about a bite on the cheek for old times sake?