Emilia Fox and Tuppence Middleton

Years ago, Juliet left a little piece of her heart in Paris - and now, separated from her husband and with her children flying the nest, it's time to get it back!

So she puts on her best red lipstick, books a cosy attic apartment near Notre-Dame and takes the next train out of London.

Arriving at the Gare du Nord, the memories come flooding back: bustling street cafés, cheap wine in candlelit bars and a handsome boy with glittering eyes.

But Juliet has also been keeping a secret for over two decades - and she begins to realise it's impossible to move forwards without first looking back.

Something tells her that the next thirty days might just change everything...