The whole town mourns when General O'Leary, proprietor of a hunting estate in South Ireland, is killed in a mishap. His nephew, Jasper O'Leary, takes over the state and also soon has aroused the annoyance of all, with the exception of Serena McGluskey, as a lot a schemer as he is a cad. Led by Thady O'Heggarty, the citizens plot to drive Jasper away. They utilize the occasion of "O'Leary Evening", when the ghost of the initial O'Leary strolls the halls, to produce basic chaos.