Three interlocking worlds. Four people looking for answers.April, 1960: In the cellar of a professor’s house in Oxford, fifteen-year-old Rosie goes in search of a missing cat – and instead finds herself in a different world.Anterwold is a sun-drenched world of storytellers and prophecies. But is this world real – and what happens if Rosie decides to stay?Meanwhile, a rebellious scientist is trying to prove that time does not even exist – with potentially devastating consequences.As the three worlds come together, one question arises: who controls the future – or the past?