Star Trek is a 2009 American science fiction action film directed by J. J. Abrams and written by Roberto Orci and Alex Kurtzman. It serves as the 11th film in the Star Trek franchise and functions as a reboot featuring the original series' main characters portrayed by new actors. The plot follows James T. Kirk and Spock aboard the USS Enterprise as they face Nero, a Romulan villain from the future who poses a threat to the United Federation of Planets. The story unfolds in an alternate reality created through time travel, allowing the filmmakers to refresh the franchise while maintaining connection to established story elements.