Ella is worried about her husband, Roy, who has been acting strangely for the past week or so. She is convinced that he is losing his mind. He works in laboratory down in the cellar until the wee small hours every night, and earlier came home to collect something from the cellar. Their housekeeper, Dolly, described the items as big, glass demijohns with red labels on, marked as highly explosive. What could his intentions be?