Firefly Season 1 Episode 2 : The Train Job

Serenity continues to travel through space conducting illegal runs across the star system, which is under the control of The Alliance. A powerful and fearsome mobster named Adelei Niska demands that the crew of Serenity pull a train robbery. The train is carrying medical supplies for a community, and Reynolds and Zoe get held on suspicion. They get free with Inara's help but realize they were tricked and try to return Niska's money. His henchman ...