soul of space vikings

Humanity is thrown into the realty of existing alien civilizations and cosmic horrors. How will humanity survive in a galaxy with a single spaceship? If that was not bad enough this single ship has originally crashed to earth and we tried to fix it and upgrade it to the best of our ability.
What secrets does the galaxy hold?
What treasure can we find?
What loot can we bring back?
What secrets does the crashed ship hold?