Imagine you were born with a twin and when they died you died too. What choices would you make and what lengths would you go to protect them.... When Emmie Keyes lives through every agonising moment of her brother's death she knows with certainty that her life is over. In her broken world everyone is born with a twin, that they share a psychic link with from birth, and when their twin dies their life ends too. Yet despite knowing that her death is imminent she mysteriously cheats fate and survives. Devastated by the loss of her brother and unsure why she was spared, Emmie sets out to discover...

Stalked by a masked figure through a city that is changing around her, Emmie Keyes must do unspeakable things in order to survive in the follow-up to Tethered Twins. Carrying on immediately after the shock ending of Tethered Twins, she receives a message from someone she thought was lost forever which sees her return to the broken city of London in a search for answers. With the help of the Deck, Grace, R&R and new allies, Emmie discovers secrets that have been buried beneath the city of London for centuries. But those secrets come at a cost and she must fight forces on the surface, deep...

Trapped by her father, abandoned by her friends and tricked by the man she loved, Emmie Keyes has no one left to turn to. Apart from the monster in her mind, Tobias Zen, a voice she thought she'd silenced forever. When a mysterious set of twins offers Emmie a chance at revenge, will she allow the monster to consume her? And when it's all over what will be left of her and the men who love her? In the final part of the Tethered Twins saga alliances will be broken, secrets will be exposed and lives will be sacrificed.