Emily and Jessamine Bach are opposites in every way: Twenty-eight-year-old Emily is the CEO of Veritech, twenty-three-year-old Jess is an environmental activist and graduate student in philosophy. Pragmatic Emily is making a fortune in Silicon Valley, romantic Jess works in an antiquarian bookstore. Emily is rational and driven, while Jess is dreamy and whimsical. Emily's boyfriend, Jonathan, is fantastically successful. Jess's boyfriends, not so much.