In the film Serenity, outlaw Malcolm Reynolds and his crew revealed to the entire 'verse the crimes against humanity undertaken by the sinister government--the Alliance. Here, in the official follow-up to the film, the crew has been in hiding since becoming everyone's most wanted, and now they are forced to come out. River uncovers more secrets, leading these former Browncoats on a dangerous mission against the Alliance that, with hope, will bring them together again.