An American girl on vacation in Italy finds an unanswered "letter to Juliet" -- one of thousands of missives left at the fictional lover's Verona courtyard, which are typically answered by the "secretaries of Juliet" -- and she goes on a quest to find the lovers referenced in the letter.
In Italy, a woman fears her sister has been kidnapped; Inspector Enzo Avolfi fears it's worse. They team up to rescue her from a sadistic killer known only as Yellow.
A zoo veterinarian gets caught up in a grisly adventure as she finds herself leading the city-wide hunt for a monstrous lion terrorizing the Dutch capital of Amsterdam.
