Nick: Failed writer. Failed husband. Dog owner.

Bee: Serial dater. Dress maker. Pringles enthusiast.

One day, their paths cross over a misdirected email. The connection is instant, electric. They feel like they've known each other all their lives.

Nick buys a new suit, gets on a train. Bee steps away from her desk, sets off to meet him under the clock at Euston station.

Think you know how the rest of the story goes? They did too . . .

But this is a story with more twists than most. This is Impossible.