Firefly Season 1 Episode 12 : The Message

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 is on the trail of the body and catch up to them demanding the body. The crew can't find anything on Tracey's corpse, but as they prepare to cut it open, Tracey comes back to life. He explains he is smuggling super-organs in his own body. They flee to the planet ...