Agatha works part-time stocking shelves at a grocery store in a ritzy London suburb, counting down the days until her baby is due, struggling to hang on to her job, and waiting for her absentee boyfriend to return her calls. The one thing she looks forward to at work is catching a glimpse of Meghan, their chic customer who seems to have it all - and writes the parenting blog that Agatha devotedly reads. When Agatha learns that Meghan is pregnant again, she finally musters up the courage to speak to her, thrilled that they now have something in common. But little does Meghan know that the mundane exchange she has with a grocery store employee during a hurried afternoon shopping trip is about to change the course of her not-so-perfect life forever...