George-Michael's surprise birthday party for Maeby gets her in big trouble, and Michael and Buster make a startling discovery when they go to Iraq to rescue Gob.
The team keeps trying to rescue Betsy Blane from Syrian captors; Mack has an opportunity to get revenge on Ryan for his affair with Tiffy.
Darnell's absent father, Thomas, arrives in Camden. Thomas claims he wants to make amends with his son, but Earl and Randy suspect an ulterior motive.