Using hidden cameras and never-before-seen footage, Earthlings chronicles the day-to-day practices of the largest industries in the world, all of which rely entirely on animals for profit.

The family of Nug-rob and Rutai-rat have two teenage sons, Rit who has a very sensitive temper and addicted to gambling, and Ron a violent young boy who loved to hang around with the neighborhood teenagers. Sai, a pretty young girl who is a distance relative also live in the house. One day, after the two brothers watched and X-rated video.