Worf and the USS Defiant find themselves in a deadly trap in this suspenseful and white-knuckled thriller in the bestselling Day of Honor series taking place in Star Trek: Deep Space Nine.

Dispatched on a secret mission, Commander Worf and the crew of the USS Defiant find themselves trapped—along with the exiled Klingons who had pledged their loyalty to Worf’s dishonored family—on an alien world threatened by a global cataclysm. Worf must find a way to save himself and his fellow Klingons and also prevent a bloody massacre that will forever stain the honor of the Klingon Empire.