Pretty Little Liars “Two can keep a secret... if one of them is dead” In Amerta University, 5 girls form the most popular clique in school – Aria, Hanna, Sabrina, Ema, and Alissa. One night, the best friends party at Sabrina’s pool house. But when they wake up, they discover Alissa is missing. These 4 girls are forced back into one another’s lives when they receive messages blackmailing them with secrets only Alissa could have known. The messages come from someone who calls themselves