Clara and Francis are in love - but nobody knows it. For months they have been slipping away from their respective lives, sharing sweet, stolen afternoons in anonymous hotel rooms. Until one day they wake up in a bedroom neither of them recognises with no memory of how they got there.

They find themselves in a strange, impossible city- a place populated entirely by adulterers. Here they can at last live openly as a couple, without fear of consequence, putting the theory of their love into practice. Here the sky is painted over the old town square in changeless, cloudless blue. Ripe fruits wait on their kitchen table each morning and the sunset comes down in a blaze of pink each night. And contact with the real world is impossible. As long as Clara and Francis are here, they only have each other.

How do you know when you've found true love? How much would you sacrifice to keep hold of it? And how long can you stay in paradise before the cracks start to show?