"5 Flights Up" tells the story of one eventful weekend in the life of Ruth (Keaton) and Alex (Freeman), an aging New York couple who have finally decided to sell their East Village apartment of 40 years. They fear that they are getting too old to climb the stairs, and Ruth's realtor niece has convinced them that they can make a small fortune on the sale. Alex, an artist, and Ruth, a former schoolteacher, are enticed by the prospect of suddenly having...