Pierce goes too far in his harassment of Shirley, by pantzing her and is kicked out of the group. When the rest of the gang tries to get him to apologize to Shirley, she resents it and leaves too.
Troy agrees to help Abed finish his list of clichéd college experiences that he got from the movies and television.
A group of high-school students taking classes at Greendale starts harassing Jeff and Britta, who are powerless to fight back until the whole gang, including Pierce and Shirley, comes to their aid. Reconciled, Pierce and Shirley rejoin the group.