In the poignant drama "Broken Diamonds," directed by Peter Sattler, a young man's carefully constructed life is upended when he must suddenly care for his troubled older sister. The film features a compelling ensemble cast including Ben Platt as the protagonist, whose orderly world is thrown into chaos, and Lola Kirke as his complex sibling. Their journey is supported by performances from Yvette Nicole Brown, Lynda Boyd, and Christine Lee, alongside Debs Howard, Peter Benson, and Edward Ruttle. The cast is rounded out by Bianca Caroca, Jason McKinnon, Lindsay Maxwell, Rohan Campbell, Chad Willett, and Catherine Lough Haggquist. Over the course of 90 minutes, this PG-13 rated story delves into the messy bonds of family, responsibility, and the struggle to reconcile past wounds with present realities, exploring whether fractured relationships can ever truly be mended.