Sereia has a disagreement with Mara, and Geraldo threatens her. She is shot on top of the float and everyone mourns her death. The mysterious killer is wanted.

Sereia's body is mourned with emotion. Paulinho talks to Augustão and a flashback shows how he and Sereia met. The killer's rifle is found.

Mara reveals her romance with Sereia and remembers moments with her. Augustão discovers that Sereia had a tumor in her head and only a few days to live.

Augustão investigates Sereia's family. The list of suspects grows. Mãe Marina gives Augustão the diary. The killer and the motive for the crime are revealed.