Deux Ex Machina

Deus Ex Machina is Star Trek: The Excalibur Epics's contribution to the first part of the ''Star Trek: Unity crossover series.

Summary
The mystery of a derelict Federation starship takes the USS to the Guardian of Forever where they encounter a powerful, new enemy whose goal is the complete domination of the entire galaxy.

External link
"Deus Ex Machina" on the Star Trek: Unity website