A doctor, and the mental institute at which he works, are being sued for damages by a young woman. Whilst living as a patient at the mental institute, the young woman became pregnant. She claims that the doctor performed an abortion on her against her will and knowledge. The doctor is well known for his controversial views on genetics, which to some appear similar to those held by NAZI ideologists in the 1930's. Barry Deeley QC leads the prosecution.

Prof. Esmond Seagrave counters Dr. Paul Richards' argument that anyone who has a IQ under 85 should be sterilised. The girl at centre of the case, Sarah Abbs, gives evidence but has limited understanding of anything other than her lost baby.

Dr. Paul Richards defends his actions in giving Sarah Abbs an abortion. He claims she was violent and he'd gave her a stable existence. Barry Deeley accuses Richards of playing god and failing to explain, to Sarah, the consequences.