Dirty old Grampa slowly seduces his young granddaughter almost under his wife's nose but then she catches them and joins in and it turns into an all out family fuck fest.
Dan seemed like a normal retired guy. Kids in boarding school and college, separated from his wife he was mostly content to sit on his porch and read. A knock on his door from the new neighbors would reveal new opportunities for him, and the other life he kept they never would have suspected.
Kriniverse
A man who was doomed to die from a rare disease wakes up in a hospital that has been infested with tentacle monsters, turning every human they can find into breeding stock - and some people are more cooperative than others. In order to escape from this erotic hell, he might have to rely on the thing he hates the most: other people. This is part of the "Earth: Tentacle Breeding Ground" universe.