Cassie had her normal life flipped upside down one day at a theme park where her and her two friends ran into three Harry Potter Stars: Daniel Radcliffe, Rupert Grint, and Tom Felton. They end up spending the day together, and Cassie ends up having her life changed forever.

Chase Mitchels gets an email from Facebook saying he's been tagged in a post by Unknown. The post says, "In 24 hours, Chase Mitchels will be dead." Who is Unknown, and why is he after Chase? As each hour passes, Chase must fight to survive while Unknown hunts him down. Will he survive, or will Unknown kill him? Chase Mitchels, You've Been Tagged.