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Get ready for an intense, secrets-soaked thriller — The Better Sister, a new limited series on Amazon Prime Video, pairs Jessica Biel and Elizabeth Banks as estranged sisters tangled in a murder investigation that threatens to rip open their already fractured past.
Adapted from the bestselling novel by Alafair Burke, the 8-episode whodunnit kicks off with the shocking murder of Chloe’s (Biel) husband, Adam (Corey Stoll). Chloe, a polished media executive living an idyllic life with her son Ethan, is suddenly thrust into chaos — not just because of the crime, but because her estranged sister, Nicky (Banks), shows up right as the investigation begins. And that’s when the real drama unravels.
According to the show’s synopsis, Chloe is trying to hold her picture-perfect life together while Nicky battles addiction and financial hardship. But Adam’s death becomes the catalyst for long-buried family secrets to claw their way into the light — including the bombshell revelation that Nicky is actually the biological mother of Ethan… and Adam’s ex.
The trailer gives a chilling preview: Biel stands before a mirror reciting affirmations like a woman on the verge — “Your husband has been murdered, and your sister is here. Though I’m feeling anxiety about this, I release it.” The next scene cuts to her discovering Adam’s lifeless, blood-soaked body, followed by a surreal interrogation where she sits stunned in a bloodied white gown.
The sisters’ relationship is clearly fraught with unresolved pain, and the tension is palpable as accusations fly. “What a crazy turn. The world knowing you stole your sister’s life,” a voice taunts Chloe in the trailer.
As Chloe and Nicky navigate grief, suspicion, and betrayal, The Better Sister delves into questions of identity, motherhood, and whether trust can be rebuilt when the truth is far messier than anyone imagined.
Now streaming on Prime Video, this psychological thriller is one for fans of domestic suspense, dark secrets, and family drama with a razor-sharp edge.