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 [...]

On a salvage mission aboard a drifting colony ship, the Serenity crew find signs that the crew were killed by the cannibalistic Reavers. They find one survivor, but things take a turn for the worse when an Alliance ship looking for an unspecified Firefly-class ship with brother-and-sister stowaways shows up and takes them in.

While completing a job on a backwater world, Mal is married to a village girl without his knowledge. The girl, Saffron, gets onboard and the crew does not find her until they’re already in the air. Mal is not sure what to do with her, but let her come along.

Serenity sets down at the mudder colony of Canton where it turns out Jayne is a hero for having dropped a bunch of money there years ago that he and his partner Stitch stole from the local magistrate. The drop was unintentional but Jayne doesn’t turn down the attentions. Meanwhile, Kaylee and Simon dance, River [...]

In a delirious state after Serenity’s engine explodes, draining the ship of its oxygen supply, Mal has a series of flashbacks about how he came to own Serenity and form his crew.

On the planet Persephone the crew are contacted by their old friend Badger the ruthless crimelord to transport some goods on behalf of a local lord. While at a ball to arrange a transport job with the lord, Mal defends Inara’s honor when her current customer insults her. By local custom he unintentionally challenges her [...]

When the crew stops at Ariel to drop Inara off for a medical exam, Simon hires them for a job – smuggle Simon and River into a hospital so that Simon can find out what the Alliance did to River. The plan goes off without a hitch – that is, until the Alliance catches wind [...]

Inara extends her services to a council member. To the crew of Serenity’s surprise, it’s a woman. And Simon continues to treat River with some of the medicine he stole but she suffers the occasional relapse as well as displays a penchant for blind-shooting.

A bounty hunter boards Serenity to capture River for the Alliance.

After a flashback to Zoe’s and Mal’s days in the wars six years previous, we cut to the modern day where the Serenity crew is running a salvage operation on a deserted ship and are forced to flee with the cargo when the Alliance show up. Their buddy Badger refuses to buy the cargo so [...]

The naked woman is Simon’s sister River, a government test subject he helped to escape. After ducking a dreaded reaver ship, Mal tries and cuts a deal with Patience, an old friend but suspects a trap. Patience tries an ambush but the team escapes just as the Reavers return and the Federal agent breaks loose. [...]

The crew of the Serenity are in for a gunfight when one of Inara’s companion colleagues asks for their help. The Serenity crew defends a bordello from a gunslinger who got a prostitute pregnant and now intends to collect the child; Mal falls for the bordello’s madam.

An old war comrade of Mal’s and Zoe’s, Tracey, mails his corpse to them. He also leaves a message asking them to deliver his body to his family. Some men claiming to be with the Alliance are on the trail of the body and catch up to them demanding the body. The crew can’t find [...]