After his death sometime in his forty-third year, suburbanite Lester Burnham tells of the last few weeks of his life, during which he had no idea of his imminent passing. He is a husband to real estate agent Carolyn Burnham and father to high school student Janie Burnham. Although Lester and Carolyn once loved each other, they now merely tolerate each other. Typical wallflower Janie too hates both her parents, the three who suffer individually in silence in their home life. Janie tries to steer clear of both her parents. Carolyn, relatively new to the real estate business, wants to create the persona of success to further her career, she aspiring to the professional life of Buddy Kane, the king of the real estate business in their neighborhood. Lester merely walks mindlessly through life, including at his job in advertising. His company is downsizing, and he, like all the other employees, has to justify his position to the newly hired efficiency expert to keep his job. Things change ...