Tourists visiting the pyramids in Mexico experience a string of deaths and disappearances while staying at a nearby hotel. Police investigators Fernando and Cornado are assigned to the case and attempt to solve the mystery with the help of reporter (and girlfriend of Fernando) Veronica and the wrestler Santo.

Debauched playboy has a hypochondriac streak and an unscrupulous doctor that profits from it.

A racist woman who doesn't know about her own mixed heritage—even though she's lived with her black mother since birth—marries a pop singer. Everybody conspires to protect her from finding out about herself. It's not clear exactly why they do that.