Terrible acting, screenplay and direction.

if their story seems completely bonkers, almost like a feverish work of fiction, you ain't heard nothing yet.

It's funny, it's tense, it features two great performances from two actors and the director expertly creates a web of odd tension where you actually don't know what is happening for the majority of the run time.

The movie's neither hopeful in contrived ways, nor hopeless in different contrived ways. Somehow it manages to be wonderful