Who’s killing the sisters of Theta Pi? In “Sorority Row,” making its 4K debut, the sisters of Rosman University’s Theta Pi – Cassidy (Briana Evigan), Chugs (Margo Harshman), Jessica (Leah Pipes), Ellie (Rumer Willis), and Claire (Jamie Chung) – are committed to staying mum regarding the prank that ended in tragedy for Megan (Audrina Patridge), …
