Agnes MacDonnell, a strong and self-confident Englishwoman, owns a large estate on an island off the west coast of Ireland. When she begins a passionate but dangerous affair with her new estate manager, Agnes wages a desperate struggle to dominate this charismatic but destructive man.

Ride with the Devil follows four people who are fighting for truth and justice amidst the turmoil of the American Civil War. Director Ang Lee takes us to a no man's land on the Missouri/Kansas border where a staunch loyalist, an immigrant's son, a freed slave, and a young widow form an unlikely friendship as they learn how to survive in an uncertain time. In a place without rules and redefine the meaning of bravery and honor.