Exclusive Clip: 'Right At Your Door'

What would you do if your city was under nuclear attack and your contaminated spouse arrived begging to be let inside? That's the central question in the film "Right at Your Door," which stars Rory Cochrane as the husband forced to answer that heart-wrenching question when his wife (played by Mary McCormack) appears outside. Watch an exclusive clip from the film below, and then see it in theaters August 24.