Rosemary Holmstrom is struggling to bring up her son following the death of her husband. When she is diagnosed with AIDS, at first she refuses to believe it, but soon turns her attentions to the problem of what will happen to her son when she dies.
The pious John List regularly goes to church and is respected by his neighbours. But one day the police finds his wife Helen and their three children slayed in their house - obviously by John, who left two letters for the police and his priest and disappeared. Chief Richland is disgusted by the murder and starts an intensive investigation. In flashbacks we learn about the history of the disaster.
