These are the Voyages of the Starship Excalibur, carrying on the glorious Star Trek Tradition with an exciting new cast of characters: MacKenzie Calhoun, the scarred, alien captain, personally recommended by Captain Jean-Luc Picard; Commander Shelby, the ambitious first officer -- and Calhoun's former lover; Dr. Selar, the Vulcan physician formerly assigned to the Enterprise; Ops officer Robin Lefler; and the rest of the crew of the Excalibur, boldly going where no Star Trek series has gone before.
The once-mighty Thallonian Empire has collapsed, sparking unrest and intrigue throughout the entire sector. As rival powers plot to fill the void left behind by the Thallonians, the Excalibur is sent on a vital mission to assess the situation and provide humanitarian aid. It's a volatile mission for an untried crew - and a mysterious stowaway may end the voyage before it begins.