"The play takes place in the backyard of adjoining houses in South Philadelphia: one house occupied by Fran Geminiani, a laborer, and his son, Francis, a Harvard student; the other by a boisterous, earthy divorcee named Bunny and her fat, asthmatic son, Herschel. It is the eve of Francis' twenty-first birthday, and suddenly he is paid a surprise visit by two friends from college, a brother and sister named Hastings, who set up a tent in the backyard....