Since learning she is the Ruby, the final member of the time-traveling Circle of Twelve, nothing has gone right for Gwen and she holds suspicions about both Count Saint-German and Gideon, but as she uncovers the Circle's secrets she finally learns her own destiny.

Sixteen-year-old Gwyneth discovers that she, rather than her well-prepared cousin, carries a time-travel gene, and soon she is journeying with Gideon, who shares the gift, through historical London trying to discover whom they can trust.

"Mysterious doors with lizard-head knobs. Talking stone statues. A crazy girl with a hatchet. Yes, Liv's dreams have been pretty weird lately. Especially the one where she's in a graveyard at night, watching four boys conduct dark magic rituals. The strangest part is that Liv recognizes the boys in her dream. They're classmates from her new school in London, the school where she's starting over because her mom has moved them to a new country (again)....

Liv Silver has a new home in London, a new boyfriend, Henry, and her old enemy, Anabel, is locked up, but Liv senses that Henry has a secret he is hiding and a mysterious stranger keeps appearing in her dream-world.

Sixteen-year-old Gwyneth discovers that she, rather than her well-prepared cousin, carries a time-travel gene, and soon she is journeying with Gideon, who shares the gift, through historical London trying to discover whom they can trust.

Since learning she is the Ruby, the final member of the time-traveling Circle of Twelve, nothing has gone right for Gwen and she holds suspicions about both Count Saint-German and Gideon, but as she uncovers the Circle's secrets she finally learns her own destiny.