Percy (1971)

"The Story Of A Very Successful Transplant"

Edwin Antony (Hywel Bennett) is emasculated in an accident which kills a young philanderer. Doctors successfully replace his member with that of the dead man, but refuse to tell him the full story of the organ's origin. So Edwin begins a search which takes him to the philanderer's wife - and also to his many, many girlfriends...