Welcome to Happy Haven. If you thought most elderly residents of assisted living facilities spent their days watching television and sitting in the sun, you haven't met Essie Cobb, senior sleuth, and her three mystery - solving buddies. These four elderly ladies have insatiable curiosity, unending concern for their fellow man (especially their fellow "man"), and energy and determination that some might find unusual for women in their 80's and 90's. They may not be able to get around as fast as youngsters in their 60's, or navigate that Interstate - Internet (or whatever that computer thing is), but they can solve a mystery. And they're starting with this one.