Edmond introduces Vampa, now in the role of the wealthy Count of Spada, to society. Spada says he came to Paris to find a wife. Edmond convinces old Noirtier to reveal a secret.

Edmond reveals to Villefort that Heloise stole the vial of poison from him; the same poison used to murder the Marchioness. At Gaston's trial, the midwife recounts the failed infanticide and identifies the murderous father. Edmond makes it back to Marseille and meets Mercedes, but all the years of revenge have taken a toll on him - does he have the ability to love again?