"After fifty years of marriage, Stan and Joy Delaney are ready to start what should be the golden years of their lives. One night a stranger named Savannah knocks on Stan and Joy's door. She says she chose their house because it looked the friendliest. And since Savannah is bleeding after a fight with her boyfriend, the Delaneys are more than happy to give her the small kindness she sorely needs. If only that was all she wanted. Later, everyone will...