For the past three years, Charlie and her two roommates have been running a secret online girl group, "Tell Us What Happened, " which boasts over 400 members and prides itself on being a safe space for young women to disclose their stories and support each other. Tensions rise when a handful of members come to realize they have all been sexually mistreated by the same guy--and that guy happens to be Charlie's best friend, Josh. Alliances are stretched to the breaking point as the girls pursue justice while Josh and Charlie fight for their friendship.Tell Us What Happened is a charged investigation into the mechanics of sexual assault reconciliation in the age of social media.