After their wedding, Richard Vaughan and his wife Courtney take up residence in Richard's ancestral home. Courtney, despised by Nanny, the old housekeeper, and neglected by her husband, who buries himself in his chemical experiments, leads a lonely life. Consequently, when experimental chemist Basil Gallatin pays a lengthy visit to the Vaughan home, Courtney finds herself attracted to him. One day, during Richard's absence, a burglar alarm places Courtney and Gallatin in a compromising situation.