The star plays Natalia's adoptive mother Kristine Barnett in the Hulu series 'Good American Family,' which is based on Grace's real story.

Pompeo plays Kristine Barrett, Natalia Grace's mom. The role is a deviation from her popular longtime role on "Grey's Anatomy," which she has stepped back from as a full-time character for the last two seasons.

Everybody loves a good American family, right? Wrong-especially if you are the Barnetts in the true-crime Hulu mini-series aptly titled Good American Family. But why exactly are they struggling as a family,