The plot is no cut-and-dried allegory but an elusive death-welcoming parable about a mad, murderous ruler, possibly redeemed at last, who says farewell to the world in a mock-Faustian vision of a natural paradise no longer spoiled by men; had his dream come true all men would be dead. The Emperor of Atlantis, ruler over much of the world, proclaims universal war and declares that his old ally Death will lead the campaign. Death, offended by the Emperor's presumption, breaks his sabre; henceforth men will not die. Confusion results: a Soldier and a Girl-Soldier from opposite sides sing a love duet instead of fighting; the sick and suffering find no release. Death offers to return to men on one condition-that the Emperor be the first to die. He accepts and sings his farewell