Serenity is a 2005 science fiction space western movie. It was written and directed by Joss Whedon. The movie takes place in the fictional universe of the cancelled FOX science fiction television series Firefly. It takes place about two months after the final episode, Objects in Space. That is 500 years in the future.
Serenity is the story of the captain and crew of a transport and cargo spacecraft. The captain and first mate fought together on the losing side of the Unification War. Their lives of small crime are interrupted by a passenger with mental abilities who has a dangerous secret.
The movie was released in North America on September 30, 2005 by Universal Pictures. It received good reviews. It made $10.1 million during its first weekend. The movie made $25.5 million in the United States and $13.3 million in other countries.
Fans call the movie the "Big Damn Movie" ("BDM"). This is a reference to a line from the Firefly episode "Safe" in which Mal and Zoe call themselves "big damn heroes" after rescuing River and Simon.