In To The Big Blue
From Star Trek : Freedom's Wiki
Prologue
The USS was chasing a pirate vessel through the Labyrinth System. The pirate ship had tried to slip passed and escape into the radiation sources and strong energy fluctuations cloude which made up the system wide nebula. With the in persute followed the fleeing pirate ship deep into the nebula. While exchanging weapons fire the pirate ship hit and crashed into an uncharted ocean world and sunk into the deapths.
New Beginning
The USS Serenity slipped its moorings and moved out of its dry dock. Its first mission with a new crew and a new Captain, Lieutenant Commander Bill Grayjoy.