A sex-crazed Jekyll & Hyde riff wherein an elderly professor uses a maysterious chemical to turn himself into a swinger. A sex-crazed Jekyll & Hyde riff wherein an elderly professor uses a maysterious chemical to turn himself into a swinger. A sex-crazed Jekyll & Hyde riff wherein an elderly professor uses a maysterious chemical to turn himself into a swinger. A sex-crazed Jekyll & Hyde riff wherein an elderly professor uses a maysterious chemical to turn himself into a swinger.