Hooten asks Lady Alex to help him search for the Sibylline Books - a collection of lost mystical prophecies from ancient Rome. The British Museum curator accepts, but quickly finds herself scaling the Sistine Chapel, battling a sewer alligator and clashing with the Mafia.

• Tony Jordan
• Sarah Phelps
• Richard Zajdlic

• Anton Lesser
• Michael Landes
• Jane Seymour