When 19 year old Charlotte Howard doesn't return from a party, only the people who know her best are appropriately terrified.
It's not like Charlie to stay out without calling. As the hours turn to days, older sister Olivia tries to put the pieces together. She finds a lost cell phone, an abandoned car and an untrustworthy boyfriend she'd never met before who was the last person to see her sister alive. And he's not the only secret Charlie's been keeping.