"Mr Woodcock" (2007)

Seann William Scott stars as John Farley, a self-help author who returns to his hometown only to discover that his mother has fallen in love with his old high school nemesis, Mr. Woodcock – the gruff, no-nonsense gym teacher who had put him through years of mental and physical humiliation. Determined to prevent history from repeating itself, John sets out to stop his mother from marrying the man who had made life miserable for him and his classmates.