With the discovery of an incoming asteroid, the government of America formulate a plan to destroy it. When the plan fails, all the world can do is wait. The main impact zone is revealed to be Dallas, Texas. Generally, the plot follows the lives and reactions of several characters: an astronomer, her father, her son, two firefighters from Kansas, two young doctors in Dallas and the heads of the government agency in charge of the situation.

In order to escape from the mob, an African-American man must disguise himself as a white man.

Waymon has a great job in real estate and a promising future, but he's also trapped in a loveless longterm relationship. He meets Natalie, a beautiful club-hopping hipster, and quickly falls in love. Realizing he's just not cool enough to attract her on his own, he seeks the help of his friend Bobby, a free-spirited smooth talker who works in the mail room at Waymon's firm and utilizes the predicament as leverage to advance in the company.

A single mother plagued by alcohol and drug addictions is sent with her children from Chicago to her ancestral home in the Mississippi Delta, to live with her uncle and aunt for the summer.

Aspiring actor and hot-dog stand employee Bobby Taylor catches the ire of his grandmother for auditioning for a role in the regrettably titled exploitation film "Jivetime Jimmy's Revenge." When Tinseltown Studios casts Taylor in the title role, he has a series of conflicted dreams satirizing African-American stereotypes in Hollywood, and must reconcile his career goals with his desire to remain a positive role model for his little brother.