The Next Big Thing is the second page-turning installment in Sadie Hayes' Start-Up series, following twin college students Amelia and Adam as they attempt to make it in the competitive world of Silicon Valley. Amelia and Adam's new company, Doreye, may have won over Silicon Valley, but the trouble is far from over. After facing down skepticism, a meddler from their past and a saboteur who makes their app malfunction right when it matters most, drama suddenly seems to be brewing within the ranks. While Adam has money signs in his eyes and enough charm to win over the investors, Amelia decides she wants to give away their app for free, leading to discord and a separation of responsibilities—and power.As if that weren't hard enough on their relationship, Adam and Amelia are both keeping secrets from each other, the kinds of secrets that could change everything if revealed. As they grow farther apart, others grow closer together. Patty finds a new boyfriend—and a fascinating new job—to distract her from Chad; Adam becomes involved with an older woman who seems to be as interested in Doreye as he is; and TJ starts to notice that Amelia is more than just a computer nerd with the tensions running high, Adam makes a decision that topples Amelia's carefully constructed life and sets off a chain of events that could threaten the future of Doreye. Can Amelia find a way to save their company before it's too late?