16-year-old Emma Walker broke up with her boyfriend, 18-year-old Riley Gaul because she realized it wasn’t a healthy relationship and was tired of his controlling and abusive behavior. But when she needed help after a series of strange and frightening events, Riley was there to save her… or so she thought. On the morning of Monday, November 21, 2016, Emma is found dead in her bed and Riley is the number one person of interest.