9/11 is a 2017 American action drama film directed by Martin Guigui and written by Guigui and Steven Golebiowski. It is based on the stage play "Elevator" by Patrick James Carson, which takes place during the September 11 attacks at the World Trade Center in New York City. The film tells the tale of a group of individuals that get stuck on an elevator of the World Trade Center's North Tower when the tower is hit by United Airlines Flight 11 and the elevator is disabled.