It's fun, it's light, [but] it has a hard time when its tries to get heavy.

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 best films of this genre always show a path and provide a takeaway for being a better person.

The film may be flawed, but its message is not.