sentences:  These are generally places in Ostia, such as the Hydra fountain and the Atlas tavern, but also events like the capture of the escaped lion or people such as the gladiator nicknamed the Cretan Bull.Flavia and the others pick up scraps of news and gossip about Cartilia and her family which they try to piece together.The detectives meet Cartilia's sister, Diana, and eventually discover her secret love for Aristo, which explains some strange events and clears Cartilia of wrongdoing.