According to a press release that the mxdwn writers received, On April 30, 2025, Prime Video released the official trailer and key art for The Better Sister, a gripping limited crime drama starring Jessica Biel (The Sinner, Candy) and Elizabeth Banks (The Hunger Games, Pitch Perfect). The 8-episode series premieres globally on May 29, 2025, in over 240 countries and territories via Prime Video.

The show is set to be Produced by Amazon MGM Studios and Tomorrow Studios, the series is adapted from the bestselling novel by Alafair Burke. It unravels a complex family mystery involving murder, estrangement, and sisterhood.

“The Better Sister is an electric thriller about the terrible things that drive siblings apart and the even darker secrets that might bring them back together,” says an article via the press release.

 Biel plays Chloe Taylor, a successful media executive living what appears to be a perfect life with her husband Adam (Corey Stoll) and son Ethan (Maxwell Acee Donovan). Elizabeth Banks portrays Nicky Macintosh, Chloe’s troubled, estranged sister trying to stay clean.

The sisters’ worlds violently collide when Adam is murdered—and suspicion falls close to home. As law enforcement zeroes in, long-buried family tensions explode.

“This isn’t just a whodunit—it’s about why it happened and how these women rebuild or break for good,” the press release reports.

The cast also includes Kim Dickens (Fear the Walking Dead) as Detective Nancy Guidry and Matthew Modine (Stranger Things, Full Metal Jacket) as Bill Braddock. Lorraine Toussaint (Orange is the New Black) plays family matriarch Catherine Lancaster.

 Olivia Milch (Ocean’s 8) and Regina Corrado (Mayor of Kingstown) serve as executive producers and showrunners. Direction comes from Craig Gillespie (Pam & Tommy), with Biel and Elizabeth Banks also taking executive producer roles.

“Craig Gillespie’s visual storytelling paired with Milch and Corrado’s sharp narrative voice makes The Better Sister one of this year’s must-watch thrillers,” says an article via the press release.

The series not only examines a murder, but the emotional scars and betrayals that twist familial bonds beyond recognition. What begins as a crime drama grows into a layered psychological investigation.

With its potent cast, rich source material, and high-caliber creative team, The Better Sister promises both mystery and emotional depth.

As secrets unravel and loyalties are tested, the question remains: how far would you go to protect family—or destroy it?