Customer Login Plugin

I’ve been searching for the better part of this Sunday morning, with not much success.

I am looking to get a “Customer Login” added to my site, where you use your unique login, and once you are logged in, you have access to a “Customer Profile/Page”, where information specific to that customer is displayed.

So User logs in, User sees private page, only he has access too.

If there are “premium” plugins that accomplish this task, I would be just as interested. Any ideas?

Thanks!