Cause for Alarm!

As the delusional George Jones (Barry Sullivan) struggles to recover from a crippling heart attack, he begins to believe his wife, Ellen (Loretta Young), and friend, Dr. Grahame (Bruce Cowling), are planning to kill him in order to be together. George decides to write the authorities about his wife's supposed murder plot. But when he really does die, of health complications, the innocent Ellen realizes that she must stop the letter before she's accused of killing her husband. …