New York Gilbert & Sullivan Players presents Iolanthe. Multi-species marriages. Discuss. The fairy Iolanthe has been banished for marrying a mortal, but the Fairy Queen is convinced to grant her a pardon 25 years later and help her son unite with his love. But the girl's guardian, the Lord Chancellor, wants her for himself, leading to an admission that unravels everyone's plans, and a simple but powerful change in the fairy code: all fairies must marry mortals!