-An impending visit from the insurance appraiser has the gang worked up--they worry that if he says that Greendale is a huge financial liability, the school will be closed.
-Jeff, however, keeps a cool head--he thinks the appraisal will go well.
-It does go well...too well. It results in the school being sold, at a profit, to Subway, so that they can turn it into a Sandwich University for their employees.
-Chang drops the gang and becomes a spy for Subway.
-Subway offers Jeff a job teaching at Sandwich University.
-Jeff proposes to Britta.
-Britta says yes.
-Abed attempts to resist his urges to turn everyday situations into dramatic stories.
-His attempts fail, however, after he, Annie, and the Dean discover some details about buried treasure that might save the school.