Some people spend their whole lives trying to find the one. But Natalie had found him - and married him. And then Russ died. Two years ago, her whole world was shattered. Still now, she feels like she's trying to piece her broken heart back together, one day at a time. But then she finds a sheet of music - one that only Russ would know - in the piano stool in St. Pancras station where she's secretly been playing or the last few months. For the first time, Natalie realizes that maybe life does still hold a little magic. And with every note she plays, she feels as if she's unlocking another fragment of her heart... But will she ever truly find love again after she'd already found forever?