The story follows three women. Anna who spent the last three years in prison, then one night before she gets to be set free a horrible thing happens in her prison cell. Lucy who is in love with her professor and Marie who is a recluse, who is not ready to be set free. All women live very different lives but they all will collide at some point. 
I was drawn into Anna's story from chapter one. It was fast paced, mysterious and kept me excited for more. I was a little sad when the POV switched to Lucy. Once I got to know Lucy a little better I also was very interested in her story - or to be honest, the professor's story. About Marie, everything you need to know is already said. 
I don't want to reveal more because Tyce's books are always best to go into blind. I love her writting and enjoy that they are a little slower than the usual thriller. Her writing style is mysterious and captivating -  I rated all her books 4⭐ and higher. A Lesson in Cruelty was right up my alley, like her other works. I can recommend this book with all my heart and I'm excited for people to read this story. I listened to the audiobook and I truly had a very good time.

Thank you so much to Harriet Tyce, Headline Audio and NetGalley for the audiobook in exchange for me honest opinion.