Zastrozzi: A Romance is a Gothic novel by Percy Bysshe Shelley first published in 1810 in London by George Wilkie and John Robinson anonymously, with only the initials of the author's name, as "by P.B.S.". The first of Shelley's two early, Gothic novels, it outlines his atheistic worldview through the villain Zastrozzi and touches upon his earliest thoughts on irresponsible self-indulgence and violent revenge.Pietro Zastrozzi, an outlaw, and his two servants, Bernardo and Ugo, disguised in masks, abduct Verezzi from the inn near Munich where he lives and take him to a cavern hideout. Verezzi is locked in a room with an iron door.

Chains are placed around his waist and limbs and he is attached to the wall.Verezzi is able to escape and to flee his abductors, running away to Passau in Lower Bavaria. Claudine, an elderly woman, allows Verezzi to stay at her cottage. Verezzi saves Matilda from jumping off of a bridge. She befriends him. Matilda seeks to persuade Verezzi to marry her. Verezzi, however, is in love with Julia. Matilda provides lodging for Verezzi at her castle or mansion estate near Venice. Her tireless efforts to seduce him are unsuccessful.Zastrozzi concocts a plan to torture and to torment Verezzi. He spreads a false rumour that Julia has died, exclaiming to Matilda: "Would Julia of Strobazzo's heart was reeking on my dagger!"