What is The Sinner season 3 about?

THE SINNER -- "Part I" Episode 301 -- Pictured: Matt Bomer as Jamie Burns -- (Photo by: Peter Kramer/USA Network)
THE SINNER -- "Part I" Episode 301 -- Pictured: Matt Bomer as Jamie Burns -- (Photo by: Peter Kramer/USA Network) /

Based on the novel of the same name by Petra Hammesfahr, The Sinner is an anthology crime drama that initially premiered on USA Network in 2017. Although initially conceived as a mini-series, it was so well received that the network decided to continue with more installments.

Each season features a different mystery, as well as a different setting and cast of characters. However, each season stars Bill Pullman as Detective Harry Ambrose. There have been three seasons of The Sinner so far, with a fourth on the way.

Season 1 stars Jessica Biel, Christopher Abbott, Dohn Norwood, and Abby Miller. Season 2 featured the talents of Carrie Coon, Natalie Paul, Hannah Gross, Elisha Henig, and Tracy Letts. The main cast of the third season included Jessica Hecht, Parisa Fitz-Henley, Eddie Martinez, Chris Messina, and Matt Bomer.

Now that The Sinner season 3 has been added to Netflix, you might be wondering what exactly goes down in the latest installment. If that’s so, you’re in luck! We have more details for you below.

What happens in The Sinner season 3?

Before we get into this explanation, let me just preface this with the fact that I’ve never actually watched The Sinner. The following information has been gathered from episode descriptions.

In the third season, Ambrose is called to the scene of a car accident. Nick Haas (Chris Messina) and Jamie Burns (Matt Bomer) were in the car, but only Jamie survived. Although Jamie claims that Nick’s death was accidental, his statement is suspicious to Ambrose. According to Express, Jamie grows increasingly psychotic, ultimately forcing Ambrose to make a difficult decision. The season ends with Ambrose reflecting on and regretting his actions. We won’t give you any other spoilers than that.

For a closer look at The Sinner season 3, you can check out the trailer below. The first three seasons of the series are currently available on Netflix.

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