The Klingon cult known as the Unsung rampages across the stars, striking from the shadows in their cloaked Birds-of-Prey. Into danger flies Admiral Riker on the USS Titan and Captain Picard on the USS Enterprise, charged with protecting the peace forged nearly a century before.
As hostilities increase, Commander Worf returns to the USS Enterprise and Captain Jean-Luc Picard with a daring plan of his own. The preservation of both the Empire and the Federation alliance may hinge on an improbable savior leading a most unlikely force.
When renegade Federation starships begin wreaking destruction across the Alpha Quadrant, Captain Picard is shocked to discover that the mastermind behind this sudden threat is none other than Admiral Riker on board the USS Aventine helmed by Captain Ezri Dax.
When Klingon commander Kruge died in combat against Kirk on the Genesis planet he left behind his would-be heir Korgh. Now, 100 years later, Picard and the crew of the USS Enterprise are snared in the aged Korgh's trap and thrust in the middle of an ancient conflict.
Titan is ordered to Garadius IV, a planet Riker knows all too well from an unsuccessful peace mission when he was still first officer of the U.S.S. Enterprise. But this time, he finds a mysterious new situation: one with the potential to imperil the entire Federation. One of the warring parties has simply vanished.