Mad sex scientist Dr Elly Raine returns for another insane exploration. This time she enlists the help of able naked nudie Lucy Muse as they unravel the mysteries of the orgasm. They showcase a new invention - 'the potato counter' a scientific device that helps measure cock to cunt cumming time differentials and set about putting their theories (whatever they may) to the test. Find out if their findings prove conclusive as they delve ever deeper....