Big Happiness (1920)

John living a Bohemian life in Paris when his twin brother James, a British financier, appears and implores John to assume his identity so that he can secretly cross the Atlantic for a business deal. John consents and soon discovers that James is a cruel, unethical man who has forced his wife June into their marriage. John attempts to rectify the situation, and June falls in love with him. When John discovers that James has drowned in a shipping disaster, he entrenches himself in James's identity. However, several weeks later James returns, casts John out, and attacks June. During the assault, James has a heart attack and dies, and John and June are reunited.