The Serenity engine explodes, leaving the crew low on oxygen and adrift in deep space.
The Serenity crew pulls a job in a town where Jayne once made some friends and few lifelong enemies.
Mal unwittingly marries a beautiful village girl during a job in the backwater. But the surprises don't end there. Christina Hendricks guest stars.
Executive Producer, Joss Whedon, takes us on a tour of the Firefly set.