from the mixed-up files of mrs. basil e. frankweiler is a 1995 television movie based on e.l. konigsburg's novel "from the mixed-up files of mrs. basil e. frankweiler". the story is about a girl and her brother who run away from home to live in the new york metropolitan museum of art and find what they think is a lost treasure. the children, claudia and jamie, are amazed with the treasure and would not leave without knowing what its secret is. lauren bacall stars in the title role.