Getting scrod in Gloucester
The working class confronts the "protector" (Therese Plaehn) who could be an enemy. Photos: Gary Ng.The women of Gloucester's fish industry have it hard. Or at least they take it hard in Israel Horowitz's North Shore Fish, the opening entree of Gloucester Stage's premiere season in its current space (appropriately enough, a former warehouse of Gorton's of Gloucester), which after a hit New York run (an…