Binghamton jails the 73 crew when he catches them stealing supplies to fix up the Voltafiore Opera House.  So McHale devises a plan to get them out, by convincing Lugatto to star Binghamton in their next production.

Colonel Harrigan claims the beach near McHale's base, for fun in the sun, so McHale, the crew, Binghamton and Carpenter inadvertently join forces to get it back.