芒咕是动物城里负责给居民们送洗衣物的驴子。动物城的老国王狮子因为年迈打算退位，狐狸说服国王发起一场选举活动，在狐狸的安排下，成天爱做白日梦的芒咕竟然当选新的国王。　　驴子当国王让居民们很兴奋，而洗衣工芒咕对治理王国一窍不通，使王国陷入混乱，同时一场危机正笼罩着动物城。为了动物城的安全和自己的梦想，芒咕踏上了一段搞笑又刺激的冒险之旅。

When Pete and Omar lose their beloved Gran they go in search of Omar's estranged father, confronting him on the day of his daughters engagement party.