The new century brought this jewel with Guy Pearce and Carrie-Anne Moss. But before the movie came to be, the short story Memento Mori was published, I think, by the New Yorker. Memento is a psychological neo-noir movie. The protagonist is caught in a memory-loss loop...
So, once you have established your situation, you start sending your protagonist forward while hurling obstacles at her. Once you put the first obstacle before your protagonist, you can think about Try/Fail and Try/Succeed cycles. One way to implement those try...
Getting into the characters’ heads is one of the most important things you can do for your reader. It’s especially important in horror where it’s always necessary to portray psychological terror through this method. This is what authors like Stephen King do...