Plot: 500 years in the future, rogue spaceship captain Mal (Fillion) has been letting Simon (Maher) and his sister River (Glau) stay on his ship since Simon rescued River from the Alliance, the all-powerful government of the worlds. When the Alliance comes looking for River, Mal discovers that not only is she a powerful weapon, but she holds within her mind a secret that could destroy the Alliance. Based on the TV series FireFly.