The Vicious Kind (2009) on Netflix

The relationship between two brothers, a father trying to connect with his sons and the young woman who gets between the three of them. The story begins when Caleb Sinclaire reluctantly picks up his brother Peter at college and brings him and his new girlfriend Emma home for the Thanksgiving holiday. Caleb, who recently broke up with his long-time girlfriend and is wary of relationships, warns Peter that Emma will end up hurting him, but he can't stop himself from being drawn to her. As Caleb's infatuation with Emma grows, he must decide whether to act on his feelings or protect his brother's first love.