When Allie Pennington transfers to Avalon High, her new friends seem like typical teens with typical problems. But a class on the legacy of King Arthur leads Allie to a startling connection: Avalon is a modern Camelot, and even she's a member. All the Knights of the Round Table are present, from quarterback Will to best friend Lance, but it's up to Allie to uncover the traitor in the group. (Netflix)