It’s June 2018. Mark Zuckerberg is struggling and morale at the social media giant is low. Facebook has been battered by data breaches and there’s no end in sight. Meanwhile, Evan Spiegel has a chance to turn Snapchat around by refocusing on the teens who’ve abandoned Facebook. As Snapchat unveils new features, the startup begins its next battle: To become profitable. And in order to stay the course, Zuckerberg must earn back the trust of Facebook’s users — and regulators who want to break it up.