A blind woman's relationship with her husband changes when she regains her sight and discovers disturbing details about themselves.

Dr. Janos Rukh discovers a certain type of radium that has almost magical healing properties. But the element has a dangerous side, too, and it has already started affecting Rukh. Consumed by paranoia, he begins to suspect that his wife is having an affair. Wild for revenge, Rukh hatches a deadly plot...using his own poisoned body as a weapon to kill.

Eighteen-year-old Esther has been deaf and blind since the accident which killed her mother. Wealthy Margaret Landi, a native of Esther's village in Ireland, is talked into helping to educate and possibly heal Esther. Margaret grows to love Esther as a daughter, but finds Esther's innocence threatened by sleazy promoters and her own sleazy ex-husband. Radiant performance by Heather Sears. Based on a book that nearly had Helen Keller's co-workers suing for libel due to perceived parallels between Carlo Landi and the husband of Annie Sullivan