A small revolution

On a beautiful Pennsylvania fall morning, a gunman holds college freshman Yoona Lee and three of her classmates hostage in the claustrophobic confines of their dorm room. The desperate man with his finger on the trigger-Yoona's onetime friend, Lloyd Kang-is unraveling after a mysterious accident in Korea killed his closest friend, Jaesung, who was also the love of Yoona's life.