Ma, originally from New York but living in Paris, is exhausted by her life. On a whim, she takes a one-night trip to London with only a backpack, her iPad, pajamas, and the bare essentials. Lost and frustrated at a subway ticket machine, she kicks it in exasperation—and that’s when she meets Harry. Tall, messy curls, sharp eyes, quiet and observant, he notices her struggle and offers to help.