A Hole In One (2004)

When Anna Watson's (played by Michelle Williams) brother Bobby returns from World War II mentally damaged and brought into a mental hospital, she has to deal with her parents who don't acknowledge her brother's existence. After his sudden death Anna begins to question her own sanity. The actions of her gangster boyfriend Billy (Meat Loaf) push her further until she's convinced the only way she can be "cured" is to have a lobotomy.