The series is to be adapted from Catherine Ryan Howard’s best-seller 56 Days. 

Prime Video has announced that it has given the greenlight to a series adaptation of the novel 56 Days, Under the title of Obsession, the show comes from James Wan’s Atomic Monster Productions.

Lisa Zwerling and Karyn Usher will write and executive produce, based on Catherine Ryan Howard’s international best-selling thriller.

Here’s what we know about Obsession:

Obsession follows Oliver and Ciara, who, after meeting randomly in a supermarket, fall for each other fast, and dangerously hard. Fifty-six days later, homicide investigators arrive at Oliver’s apartment to find an unidentified body—brutally murdered and intentionally decomposed. Did he kill her? Did she kill him? Intercutting between an intense single day in the present investigation and the twisted trajectory of the young lovers’ affair in the past, the series is both a unique crime story and a riveting, erotic, psychological thriller.

You might be wondering about the name change? While the novel rakes place against the backdrop of the COVID-19 pandemic, with the time frame referring to a lockdown, the series will not.

James Wan’s Atomic Monster have been responsible for the Annabel film series, as well as M3GAN. They’ve also been behind series such as MacGyver, Swamp Thing and I Know What You Did Last Summer

James Wan said:

“We’re thrilled to collaborate with Karyn and Lisa on this propulsive and sexy thriller based on Catherine’s captivating novel. Their vision for the series brings a fresh take for contemporary audiences, while still remaining true to the genre.”

Writers Lisa Zwerling (The Rook, ER) and Karyn Usher (The Rook, Prison Break) will also executive produce, alongside James Wan, Michael Clear, and Rob Hackett via Atomic Monster, with Danielle Bozzone overseeing the series on behalf of the company. Author Catherine Ryan Howard is a co-executive producer, with the series produced by Amazon MGM Studios and Atomic Monster.