Captain Corcoran plans to have his daughter, Josephine, marry Sir Joseph Porter. But Josephine has fallen in love with able seaman Ralph Rackstraw. Meanwhile, Little Buttercup has been hiding a secret that will change all of their lives in a most topsy-turvy way. Support American Theatre: a just and thriving theatre ecology begins with information for all. Please join us in this mission by making a donation to our publisher, Theatre Communications Group. When you support American Theatre magazine and TCG, you support a long…