Allen Gregory enlists the help of a friend to find his biological mother. Though Allen Gregory initially dreams of his mother and father falling in love and starting a life together, he soon realizes that this new "family" is not all it's cracked up to be.

In the season finale, the persistent and pompous Allen Gregory bribes Principal Gottlieb into a romantic situation that he hopes will bring them closer together. Meanwhile, Richard uses Julie to compete with his frenemy's adopted child.