This website is amazing, it has lovely videos taken from a helicopter going around the coast of Crete including all of the Plakias area and a hell of a lot more.....
goto website:
http://tripinview.comthen on the homepage enter destination: Plakias and press go. The screen eill then show a map including Crete with all videos marked in red. Click your mouse onto the coast between Hora Sfakion and Galini then click the little screen/box thingy to play video.
Enjoy Plakias then go where you will, Have fun, its absolutely free.
Ray (let me know how you get on....)