Prospero, rightful Duke of Milan, uses magic to raise a tempest that wrecks his usurping brother Antonio, King Alonso of Naples, and their retinues on Prospero’s island.
Act I
Storm scene shows social order inverted (Boatswain vs nobles).
Prospero reveals to daughter Miranda their exile story; commands spirit Ariel and enslaved native Caliban.
Ferdinand (Alonso’s son) meets Miranda; instant mutual love.
Act II
Alonso’s party wander; Antonio persuades Sebastian to murder Alonso (parallels Antonio’s earlier betrayal of Prospero).
Comic subplot: Caliban joins drunken butler Stephano and jester Trinculo in plot to kill Prospero.
Act III
Ferdinand’s log-carrying test; engagement to Miranda.
Ariel thwarts Antonio & Sebastian; Harpy scene accuses nobles of their “three men of sin”.