Professor Hickey reveals that his estranged son Hank did not invite him to his grandson's birthday. The group decides to help father and son reunite through a rousing game of "Dungeons and Dragons."

As Subway makes plans to purchase the Greendale campus for their own Subway University, the study group members contemplate the end of an era. Jeff considers a generous offer of employment he has received from Subway, while Britta considers an offer she has received from Jeff. Meanwhile, Dean Pelton tells Annie and Abed about Greendale's first Dean Russell Borchert, which leads to an interesting and potentially lucrative discovery in the walls of Greendale.