From the Mixed Up Files of Mrs. Basil E. Frankweiler (1995 film)

From the MixedUp Files of Mrs. Basil E. Frankweiler is a 1995 television film based on E.L. Konigsburgs novel of the same name. 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 discover what they think is a lost treasure. The children, Claudia and Jamie, are transfixed with the treasure and wont leave without knowing what its secret is. Lauren Bacall stars in the title role.

Claudia is the middle child of a busy family. She is smart and responsible, often required to help her mother around the house. However, weary of the life in suburban Connecticut, she decides to find something grander. Her younger brother Jamie, along with his extensive savings from playing cards, is enlisted as her partner in crime. They run away from home to the Metropolitan Museum of Art in New York City.Once they arrive, they spend their days in the museum, exploring and eavesdropping on different schools guided tours. They hide in the bathrooms until after closing time and sleep in antique beds. While there they encounter The Angel, a marble statue recently auctioned off by the elusive Mrs. Basil E. Frankweiler. The striking piece is surrounded by mystery. Many experts dispute the artist who created the work, though many suppose it to be none other than Michelangelo himself. Claudia becomes determined to solve the mystery of The Angel. Claudia and Jamie spend most of their time in searching and researching new things about the statue. ........

Source: Wikipedia