1866-

In 1899, eleven-year-old Teodora goes with her scientist parents from Naples to Venice, Italy, which is falling victim to a series of violent natural disasters, and once there she is drawn into a web of mysterious adventures involving mermaids, an ancient prophecy, and the possible destruction of the city itself.

In 1899, eleven-year-old Teodora goes with her scientist parents from Naples to Venice, Italy, which is falling victim to a series of violent natural disasters, and once there she is drawn into a web of mysterious adventures involving mermaids, an ancient prophecy, and the possible destruction of the city itself.

Teo and Renzo must unravel the mysteries that threaten Venice and London when Banjamonte Tiepolo, the evil traitor, returns in 1900, and along the way they encounter mermaids, a talking bulldog, and other adventures.

In 1899, eleven-year-old Teodora goes with her scientist parents from Naples to Venice, Italy, which is falling victim to a series of violent natural disasters, and once there she is drawn into a web of mysterious adventures involving mermaids, an ancient prophecy, and the possible destruction of the city itself.