"Unbreakable" is a 2000 superhero thriller film written and directed by M. Night Shyamalan. The story follows David Dunn, a security guard who discovers he has superhuman abilities after surviving a train crash without a scratch. He meets Elijah Price, a comic book art dealer with a rare condition that makes his bones extremely fragile, who believes that David is a real-life superhero. The film explores themes of identity, vulnerability, and the nature of good and evil. It is the first installment in Shyamalan's Eastrail 177 Trilogy, followed by "Split" and "Glass," which further develop the characters and their stories.