A bounty hunter named Jubal Early sets his sites on capturing River Tam and manages to sneak aboard the Serenity to do so.

The Serenity goes to the moon of Deadwood to answer a distress call from Inara's old friend who runs a brothel.

What starts out as a nice day at a space station goes very wrong when Mal and Zoe receive the corpse of their old war buddy in the mail.

Mal has to make a tough choice in whether he should trust his ex-wife again as she offers the Serenity crew an opportunity to make a lot of money.

Tensions begin to run high on board the Serenity when Wash finds himself feeling threatened by the closeness between Mal and Zoe.

On return to Ariel, Simon hires the crew out to smuggle River into a hospital so Simon can figure out what the Alliance did to her.

The Serenity engine explodes, leaving the ship low in oxygen and causing Mal to have delusions and flashbacks that pieces together his present.

The Serenity crew pulls a job in a town where Jayne once made some friends and few lifelong enemies.

Mal inadvertently marries a village girl during a job in the backwater...