The case of the lost inheritance

Ariana travels to Rome at the invitation of her beloved aunt, who is supposed to bequeath her estate to her. But on the way, she receives shocking news – her aunt has died, and despite the medical report, it looks like it was a violent death. When she also finds out that her aunt had personal security and that her flat is riddled with listening devices, Ariana begins to suspect that the rare inheritance may be the cause of her aunt's death...