Fox Searchlight Pictures has unveiled a trailer for new movie, Can You Ever Forgive Me? – the new Melissa McCarthy film. But those looking for the typical McCarthy story may want to prepare themselves for something considerably different.

Can You Ever Forgive Me? is based on the life of Lee Israel – an author turned forger. During the course of her career, Israel forged letters from deceased writers and actors, making a successful living in the process. This is that story.

As you’ll see from the trailer, McCarthy plays a very different role than usual.

Can You Ever Forgive Me? hits cinemas in October.