Lady in the Water

Apartment building superintendent Cleveland Heep rescues what he thinks is a young woman from the pool he maintains. When he discovers that she is actually a character from a bedtime story who is trying to make the journey back to her home, he works with his tenants to protect his new friend from the creatures that are determined to keep her in our world.

Lady in the Water is a 2006 drama mystery movie directed by M. Night Shyamalan, starring Bob Balaban, Paul Giamatti, Bryce Dallas Howard. It holds an IMDb rating of 5.5/10 from 108,080 votes and runs 1h 50m.