"The Duchess of Malfi" by John Webster is a Jacobean revenge tragedy written in 1612–1613. When a widowed duchess secretly marries her steward Antonio against her brothers' wishes, she sets in motion a devastating chain of events. Her twin brother Ferdinand and the Cardinal, desperate to control her and protect their inheritance, employ the malcontent spy Bosola to watch her every move. What begins as a forbidden love story descends into a nightmarish tragedy of vengeance, madness, and murder that destroys them all. (This is an automatically generated summary.)