Saturday Night hits Philly as the Pryor women go exploring. Helen heads to New York with Uncle Pete's girlfriend to see a show and a new emerging side of womanhood, beset with temptations. Patty, starting high school, learns new lessons in social skills in trying to make friends. Meg, completely broken off from Luke, goes to her first college party, with serious consequences. Roxanne starts at the Vinyl Crocodile with Luke still in the background as JJ continues with military training. In addition, Sam finds out how his cousin Nathan really makes his money

Meg attends a free speech rally with Drew at the college. Roxanne's new relationship with Lenny is tested after he throws a party at her house. JJ is tempted to cheat on Beth with a mysterious woman he meets at a bar. JJ also recieves some exciting news. Beth finally recieves her ring from JJ and they set a date for their wedding. The Walker family must deal with the tragic loss of the matriarch in their family.

Roxanne's relationship with Lenny begins to heat up as things are pushed to the next level. JJ's relationship with Diane, the mysterious woman from the bar takes an unexpected turn when he finds out who's wife she is. Meg must take a long hard look at her relationship with Drew after finding out that he is seeing other people. Jack wants Helen to quit her job after finding out that Will's surgery will be funded by the March of Dimes. The Walkers must put their lives back together after the death of their mother.