Marnie is not OK. She's had x-rated thoughts for the last 3672 days and she doesn't know why or what they mean. When she jumps on a coach to London, she doesn't know a soul, not even herself, but in the city she will build a new life.

George wakes up to find himself several months in the past before being recruited for the Lazarus Project – a secret organisation that turns back time when the world is at threat of extinction.