Laura Dave’s The Last Thing He Told Me made quite the stir when it was released in bookstores back in 2021, selling two million copies worldwide and quickly becoming The New York Times’ bestseller – not to mention a top pick for Reese Witherspoon’s online book club.

Is it any wonder, then, that the aforementioned Witherspoon (via her production company Hello Sunshine) has leapt at the chance to transform the page-turning thriller into a new TV series?

Here’s what you need to know.

What’s The Last Thing He Told Me about?

Hannah is absolutely in love with her husband, Owen. Indeed, it seems as if they have the perfect marriage – until he unexpectedly disappears, seemingly into thin air.

Jennifer Garner’s new TV series, The Last Thing He Told Me, is all about ghosting, betrayal, and murder