A down on his luck saxophonist agrees to help rob the home of a rich widow, then he unexpectedly falls for the woman.

In turn-of-the-20th-century upstate New York, Winnie Foster, a 12-year-old girl, discovers a family living in the woods near her family's home who never ages thanks to a magical spring they drink from and she is entrusted to keep their secret and becomes involved in their lives.