A young archaeologist believes he is cursed by a mask that causes him to have weird nightmares and possibly to murder. Before committing suicide, he mails the mask to his psychiatrist, Dr. Barnes, who is soon plunged into the nightmare world of the mask.

Ben Quick arrives in Frenchman’s Bend, MS after being kicked out of another town for allegedly burning a barn for revenge. Will Varner owns just about everything in Frenchman’s Bend and he hires Ben to work in his store. Will thinks his own son, Jody, who manages the store, lacks ambition and despairs of him getting his wife, Eula, pregnant. Will thinks his daughter, Clara, a schoolteacher, will never get married. He decides that Ben Quick might make a good husband for Clara to bring some new blood into the family

Bud Corliss (Wagner) is an ambitious student who is wooing Dorothy Kingship (Woodward) purely for her father’s mining fortune. When he discovers that Dorothy is pregnant with his child, he realizes she is quite likely to be disinherited by her wealthy family. He assures Dorothy that he’ll take care of her, yet he hesitates when Dorothy insists on marrying. Bud then murders Dorothy and stages it in a way that it appears to be a suicide. He then reaches out to her sister Ellen (Leith) with the hopes of marrying her in order to ingratiate himself with her father. After a couple of months Ellen finds evidence to question the suicide verdict, and then discovers Bud knew Dorothy. Ellen struggles to avenge her sister and save her own life.