Having recovered from the catastrophic events of Wildfire, the Starfleet Corps of Engineers team on the U.S.S. da Vinci meets its new second officer: Mor glasch Tev, an arrogant Tellarite who's the best there is—and he knows it. Even as Captain Gold and Commander Gomez get used to their acerbic new officer, the S.C.E. team faces crises in its own solar system. A strange vessel appears in the middle of San Francisco that the S.C.E. must deal with—aided by engineers extraordinaire Montgomery Scott and Miles O'Brien. Then they have to help the Venus terraforming team—a mission that brings Bynar computer expert Soloman to a difficult crossroads. That's only the beginning of the challenges for the Corps as it faces a Ferengi with a time machine, a prison colony in a black hole—and a mission from the Dominion War that comes back to haunt the da Vinci crew in more ways than one...