The Amazing Transplant is an American 1970 sexploitation film, written, produced and directed by Doris Wishman.
The film stars Juan Fernandez, Linda Southern, and Larry Hunter.
His mother is worried and asks her police detective brother-in-law Bill to help find him.
Meanwhile, Mary has been found dead, the police suspect Arthur and the radio informs the public about the apparent murder.
In the course of his investigation, Bill finds several women who tell of Arthur's surprising rapes (since he seems an otherwise pleasant guy) while they are graphically shown in flashbacks.