Anna and Alex's mother dies a mysterious death. Later, Anna returns home to her sister and best friend, Alex, after a stay in a mental hospital. Her recovery is jeopardized thanks to her aloof father and the presence of a ghost in their home. The sisters are confronted with terrifying nightmares, ghostly visions, and deadly consequences when they begin to investigate their father's cruel new fiancee.

Birdy, a Vietnam veteran, sits in an almost catatonic state in an Army hospital, where he has come to believe he is one of the feathered creatures of his boyhood dreams. In an effort to break Birdy's silence, his psychiatrist brings in Al Columbato, Birdy's best friend of his youth. Al tries to reach the disturbed Birdy and bring him back to reality. The answer may lie in their youth, where Birdy first donned wings and Al helped him to fly.