While the U.S.S. da Vinci has managed to stop a ship that was careening out of control, they still have work to do: the vessel's computer has broken down, and the ship cannot function without it.

This echoes the early days of the S.C.E.

Over a century before the days of the da Vinci, the Starship Enterprise encountered -- and deactivated -- a world-running computer called Landru on Beta III. In the aftermath of the incident, a team of engineers, led by Montgomery Scott, is tasked with getting Beta III back on its feet. But even in "death," Landru's influence can still be felt....