Hard up for cash, Serenity takes on a job from Simon: help him get a thorough diagnostic of River in return for the opportunity to loot the vast medical stores…

The crew of Serenity take on a train heist commissioned by a crime lord. They steal the goods, only to find it is medicine that’s desperately needed by the town.

A repossessed storage unit, treasure seekers and Manhattan socialites all come together in the case of a woman inexplicably murdered. Castle decides to enter the storage unit auction to see…