Two can keep a secret if one of them is dead. That checks out Alyson/Courtney story. The parents are in on it Mr Hastings/Mrs.Delarentis,3orginals--Ian,Jason,Garet. The Players Toby,Lucas, Mona,Noel,Jenna,Melissa,Azra.Ben,distractions--Paige,Caleb,Maya,people who purposely keep the foursome possie from the truth.Who killed Alyson&why!!!!