Nicole Walker (Reese Witherspoon) always dreamed of being swept away by someone special - someone strong, sexy and sensitive who would care for her more than anything else in the world. David (Mark Wahlberg) is all that and more: A modern-day knight who charms and seduces her, body and soul. However, Nicole soon finds out that her perfect boyfriend is not all he seems to be. His sweet fagade masks a savage, dark side that will soon transform her dream into a nightmare.