Take cover, Pretty Little Liars fans.
Next week's "The Mirror Has Three Faces" will feature an outbreak of World War A, as teased in this ABC Family promo for the installment.
Among the developments on tap, Hanna and Caleb will work together to gather information about CeCe. Watch them team up in this sneak peek:
Hanna will also ask for assistance from Caleb in order to get into Radley, but he won't exactly be on board with that plan:
Finally, we go into Radley and watch as Mona is tested by... a picture? Check out this final clip and then visit TV Fanatic later in the week for our latest Pretty Little Liars Round Table: