After five years of marriage, Susan (Lucille Ball) and Lorenzo Vega (Desi Arnaz) have grown apart from each other. Lorenzo is a chemist who has been working long hours on a new insecticide, making Susan feel neglected. However, Susan starts seeing her Guardian Angel (James Mason), who advises her to try to support her husband. So she agrees to go on a camping trip during which Lorenzo will be testing a new bug formula, even though Susan knows nothing about surviving outdoors.