After being shown what hypnotism can do, a doctor starts to study it in depth. When he experiments on a friend's wife, she regresses into an early life, that of Bridey Murphy.

Set in Ireland, the story centers on a day in the life of Shevawn, an innocent, 30-year-old dreamer who is domineered by her innkeeper brother. An American tourist with a troubled marriage gives Shevawn's life new meaning.