One hot summer day, 17 year-old social media star Alexis Murphy vanishes. Investigators discover that moments after she posted her final tweet, she was captured on surveillance footage at a local gas station. Will this footage lead them to Alexis?

18-year-old Kelsey Smith goes shopping for a present for her boyfriend, but when she never returns home, her family starts to worry. Surveillance from the store reveals a mysterious figure tracking her movements. Is he connected to her disappearance?