James Patterson and Liza Marklund's #1 New York Times bestselling thriller The Postcard Killers is getting a film adaptation, and we've got the exclusive trailer debut for the new serial killer drama. The Walking Dead's Jeffrey Dean Morgan stars as New York detective Jacob Kanon, who winds up on an international hunt for a serial killer after his daughter and son-in-law are brutally murdered on their honeymoon in London. With the help of a Scandanavian journalist (Cush Jumbo), Kanon makes it his mission to track down the murderer -- who always sends a postcard to a journalist at his next destination -- and get justice for his family.

Directed by Danis Tanovic (No Man's Land) from a script by Andrew Stern (Disconnect), Ellen Furman (The Infiltrator), Liza Marklund and Tove Alsterdal, The Postcard Killings also stars Famke JanssenCush JumboJoachim KrólSteven Mackintosh, and Dennis O'Hare. RLJE Films will release The Postcard Killings in theaters and on On Demand and Digital on March 13, 2020. Check out our exclusive trailer debut below.

Here's the official The Postcard Killings synopsis:

In The Postcard Killings, based on the James Patterson and Liza Marklund #1 New York Times bestselling novel, NY Detective Jacob Kanon’s (Jeffery Dean Morgan) world is destroyed when his daughter and son-in-law are brutally murdered in London. Unable to sit idly by and do nothing, Jacob travels to London get the answers he needs. As he learns of similar heinous murders happening across Europe - each preceded by a postcard sent to a local journalist - Jacob is in a race against time to stop the killings and find justice for his little girl.