Information for Shirley Valentine at The Dukes, Lancaster (Play). Shirley Valentine's world is a world of kitchens, cooking and faded dreams. At the age of 42, Shirley feels that her marriage and life are in a rut. Her children have left home and she yearns for romance and adventure. But when a friend invites her on holiday to Greece will she have the courage to swap housework and drudgery for two weeks in the sun? This production wsees Mina resetting the play to Lancashire.