Overview: Brian and Bridget have the conversation about their ex-relationships, but Brian doesn't include Marjorie. Adam and Heather have to deal with an overzealous ex-client of Heather's, and Nicole sets up a photo shoot to promote Deena's fledgling cupcake business. Meanwhile, Dave and Deena make a startling discovery about their one-year-old daughter, which brings to town a visitor from the friends' not-so-distant past.