Members access page

Hi
I am looking for a plugin that allows me to add members username and password which will then allow access to a single page on our WordPress site all unpaid.
At the moment we have a site that uses coffee cup access manager this allows me to add members asign username and password chose which page that you want to have restricted then upload this to the site when someone clicks the members tab they get the login box I am looking for something like this any recommendations please.