Mary and her friend Corey Conway learn that they have been named recipients of their senior classes ""All Sports Award"" and they are both thrilled. Although, the local businessmen revoke the honor from Corey when they learn Corey is a mother. Angered and hurt by their actions, Mary gives her reward to Corey in front of the entire assembly. On the home front, tensions build after Eric and Annie find a bag of marijuana in Simon's new friend's backpack. They confront his family (who at first deny there is an issue), but after a successful intervention with the police, the boy's father agrees to seek counseling and to find a job. Meanwhile, Matt faces a disciplinary action after he breaks the honor code during a school exam. Also, Lucy questions herself whether she should help a boy she likes to access the school's computer system when she's working in the attendance office.

Mary and her basketball teammates are upset when their high school coach imposes a lockout on the season, citing that their studies should be top priority. When the school calls a meeting to discuss the situation, Eric and Annie support the coach's concerns and decisions. Outraged by the apparent betrayal, Mary and some members of the team break into the gym and vandalize it. They are soon caught by the police and are arrested. Meanwhile, sparks fly when Simon is caught making a lewd hand gesture in front of the school, and is busted. Also, Matt contemplates returning home and Ruthie obsesses about being one of the guys.

The Camden family rallies together after Mary's arrest. Mary truly learns the consequences of her actions after she learns that she is losing her scholarship to college, faces possible school expulsion and jail time. Eric and Annie enlist the help of a lawyer who manages to get Mary enrolled in a community service program. Simon and Ruthie feel overwhelming pangs of guilt for having some knowlege of Mary's intentions and not telling their parients about it. Simon and Ruthie decide to visit many different houses of worship to attain atonement. Also, Matt moves back home to help with the family, but soon realizes he needs to live on his own.