The Ultimate Vampire Resource and Directory

The story resumes 15 years after the end of The Fly. André's son, Phillippe, now a young man attending his mother's funeral along with Vincent Price returned to the same role as François Delambre, brother of the stricken scientist. Returning from the funeral, Phillipe pesters François for the secret of his father's death and he reluctantly tells him. It turns out Phillipe has been working along similar lines and they go to the old lab where the ruined equipment and books remain. Phillipe states that he wants to follow in his father's footsteps but Francois wants nothing to do with it.

Phillipe works with a friend, someone who used to work with François and they resurrect the fatal machine......