I am searching for a movie , about a man loves his brothers widow

A man comes to his brothers who hate him and he meet his brother's fiancee who worked as a pianist in silent cinema. Then the brothers after marriage go to hunting deers in the forest . But the spouse wear a brown sweater not red sweater so the hero shot him dead by mistake.  The third brothers threats him if he thinks can touch his brother widow the final scene the widow is playing piano and the hero shot dead by his brother.