Shake and Bake are back! The comedy trio behind Step Brothers and Talladega Nights are reuniting once again, this time for a movie about immigration. According to Deadline, Will Ferrell and John C. Reilly will work with director Adam McKay in Border Guards. The film is about two “hapless but earnest friends” who become immigration border guards only to “find themselves accidentally stranded in Mexico without identification and must sneak back into the U.S” …