When a long-anticipated holiday takes an unexpected turn... Aussie farm girl Matilda Moore kicks off her dream trip to London by flat-sitting for her childhood friend. But London is daunting, crowded and noisy, and that's before Tilly finds a baby on the doorstep. There's a note attached: "Henry, if you're reading this, please know the worst has happened." Probability expert Henry Church has finally returned home to Wirralong, Australia,...