At a college visit to a war buddy's professor daughter, mercenary Treat Williams finds her brutally beaten. He then poses as a teacher to teach a lesson to the football jocks responsible.
The Substitute 3: Winner Takes All is a 1999 action thriller film directed by Robert Radler and starring Treat Williams as a mercenary who goes undercover as a teacher in order to expose a college football team's steroid-abuse scandal. It is the second sequel to The Substitute (1996). The film aired on HBO and was later released on DVD and in 2000 where it was bundled with the first film.