What to know

• For three days, the Telluride Film Festival ran on a single unknown rumor. By Sunday night, the line outside the Werner Herzog Theatre had swelled into the longest of the weekend, phones were sealed in locked pouches, a security team worked the aisles in night...S1
• The film — a surprise world premiere at Telluride — picks up the story of the disgraced Theranos founder in the weeks leading up to her prison sentence, and then again two years into her incarceration.S2