Just when Goode Oliver Dooley thought he was free from the tyranny of Mrs. Lumpen, she returns with Auntie Gertrude to claim what they feel they are entitled to. From one misfortune to the next, Goode Oliver and his friends at Hobcomney Palace discover they are under attack. Fed up with being thwarted, Odullum conjures a scheme to invade the palace, undetected, to bring the kingdom crumbling down. Goode Oliver Dooley battles the Four Flora of Thonia while learning about his past, and who his parents were. With the help of his friends, he forms a plan and disguises himself to confront Odullum as he attacks the very heart of the palace. Allies from afar travel to Hobcomney to help, but it may be too late. They are forced to evacuate. Some stay behind to defend their beloved home, and to try to stop Odullum once and for all.