Prime Video unveils the official trailer for The Better Sister, based on the bestselling novel by Alafair Burke. The series follows Chloe (Jessica Biel), a picture-perfect corporate star whose world unravels when her estranged sister Nicky (Elizabeth Banks) reappears following the murder of Chloe’s husband. As past wounds and hidden truths begin to resurface, what unfolds is a tense game of survival where the lines between victim and villain blur. From executive producer Olivia Milch, this twisty, suspense-driven limited series promises domestic drama, dark secrets, and no shortage of betrayal. The Better Sister premieres this summer on Prime Video.