Carnage - Roman Polanski

Set in New York City, the story begins when a young boy hits one of his schoolmates in the face with a stick while they are playing in the park. Following the incident, the parents of the two adolescents (Jodie Foster & John C. Reilly and Kate Winslet & Christoph Waltz) decide to get together and discuss the best way to resolve the problem. While things start civilly, slowly the meeting begins to spin out of control and the tension between the two families grows until it finally explodes. More

Review and clip The Guardian