Raoul the mailman is in love with Allegra. He arrives at her house and they flirt, but are interrupted by Allegra's father. Raoul vows that he will win over Allegra by disgusing himself as a wealthy merchant named Hernando.

Disguised as Hernando, Raoul asks out Allegra.

Raoul and Allegra go out on their date and order a feast. The bill arrives and Raoul cannot pay it. He tries to escape, but in the process stabs the waiter in the neck with a fork. Raoul and Allegra leave the restaurant, Allegra is unaware of what has just happened.

Raoul goes to see Don Paulo for a loan. Before he approves, Don Paulo warns Raoul about a shadow that haunts people who have not paid their debts.

Raoul, dressed as Hernando, proposes to Allegra and gives her an engagement ring.

Raoul still hasn't paid off his debt. Allegra arrives and tells him she has lost the ring, not knowing that he is also Hernando.

The Shadow arrives to haunt Raoul.

Raoul (as Hernando) confronts Allegra about the missing ring. She tells him it's being polished.

The Shadow arrives and tells Allegra the truth about Hernando/Raoul.

Raoul, as Hernando, arrives at Allegra's balcony but sees her with The Shadow.

Raoul attacks and kills The Shadow.

Raoul (as himself) sits on a bench. Allegra arrives and wonders if she'll ever find love. She leaves for mass to ask for forgiveness.