"The Substitute" is a 1996 action film directed by Robert Radler. The story follows a former mercenary, Shane Wolfe, who takes a job as a substitute teacher at a troubled high school. His mission is to protect a student who is a witness to a crime while also dealing with the challenges of teaching a group of unruly teenagers. As Shane navigates the complexities of the classroom, he uses his military skills to gain respect and control over the students. The film combines elements of action and comedy, showcasing Shane's growth as he learns valuable lessons about responsibility and connection with the students.