The Dinner (2017)

Stan, a politician, and his brother Paul, a former history teacher, meet for dinner with their respective wives. Paul has a history of mental instability, and refuses to listen to his wife and sister-in-law while discussing a terrible crime involving their teenaged sons. Stan is running for governor and his life has taken a very different direction from his angry, frustrated brother. The two sons have grown up as best friends unlike their parents. The terrible secret is slowly unveiled through dinner conversation.