At thirty, Annabel Simpson is the youngest doctor to take charge of a ward in the history of Oakwood Hospital. A possible closure threatens her position and spurs her into action. Organizing a charity bike ride from Brighton to Land's End seems like a good idea - until she is paired with her wayward ex, Marcus Chapman. But Marcus has changed, still grieving the loss of his daughter, and is determined to break down the barriers Annabel has erected. Can they find the courage to mend their broken hearts?