When the gang accepts a new person into the group, they learn how delicate their friendships really are.

Chang gets used to his new job. Britta reacts to a friend being taken hostage in a foreign country. Annie asks the group to help bring down her new friend….

The Greendale study group reunites. Jeff butts heads with the new biology teacher and Dean Pelton finds a new nemesis in the dean of the Air Conditioning Repair Annex.

Jimmy is pushed to desperate measures. Nacho picks up a new skill. Mike explores an alliance. Kim stands up to Hamlin.