Sam gets a letter from a mysterious someone that her father Is still alive!! When she goes to Riverdale to find him and see where things go between them, not only does FP find out a secret Gladys hid from him after moving away with JB, but Ghostface already beat Sam to Riverdale, putting her long-lost brother In danger. What will happen when Riverdale becomes a town that FP tried so hard to get away from? (Don't worry, no Scream 6 spoilers.)