The final weeks of Callas’ death were shrouded in mystery and scandal. Here’s where the new biopic sheds some light, and where it indulges in shadow.

Yes, Maria is based on the true story of Greek opera singer Maria Callas, who died of a heart attack in 1977, when she was only 53 years old. Maria imagines the last few days of Callas’s life, in which once the once-great opera singer struggles with a drug addiction, hallucinations, and her declining health.