Primitive, cowardly, greedy and fame seeking father Ibi (Ubu), persuaded by his wife, mother Ibi, kills the honorable king Venceslas and his family. This makes Ibi king of Poland. In the beginning he is popular and showers his subjects with gold coins. But, later on he brings on himself peoples rage when he decides to kill all the noblemen and officials and introduces unreasonable taxes. Russian czar Aleksey starts a military campaign against the bloody despot Ibi. After a defeat, Ibi and his wife escape to France.