The Borg and the Romulan Empire have joined forces in an unholy alliance against the United Federation of Planets, and their ultimate weapon is none other than James T. Kirk, resurrected by mysterious alien science to destroy the Borg's most formidable enemy: Jean-Luc Picard.
From Deep Space Nine to the Borg homeworld itself, the battle is joined in the ultimate confrontation between the old generation and the new. Old friends are reunited and ancient secrets revealed, as Riker, Spock, Data, McCoy and all of the Federation's best and brightest find themselves enmeshed in a cosmic saga that will test their strengths and loyalties to the very limit.