Django Unchained (2012)
Former dentist, Dr. King Schultz, buys the freedom of a slave, Django, and trains him with the intent to make him his deputy bounty hunter. Instead, he is led to the site of Django's wife who is under the hands of Calvin Candie, a ruthless plantation owner.
Starring: Jamie Foxx, Christoph Waltz and Leonardo DiCaprio
Movie link: Django Unchained