It is based on 1977 film starring the Queen of Philippine Movies, Susan Roces, that won her second FAMAS Best Actress trophy.
Her staff even throws a surprise party for her to celebrate the nomination of "Kulam"—a story featured in her news magazine show—for an Emmy Award.
As it happens, that particular episode makes her feel guilty because the woman who was accused of witchcraft in her scoop was later killed by her neighbors, leaving her daughter alone in the world.
The cult also altogether keeps the group a secret, in every supernatural serial killings that was believed to be done by the devil, they're the ones who clean up and make the atrocities appear like accidents.But in the finale after Angela makes a final effort in saving Angelo from the devil's curse the cult was completely destroyed and annihilated killing Lucas and the rest of his followers.
The son Angela's been taking care of is believed to be carrying a curse: whoever tries to stop the destined life of the child or sometimes for no particular reason, the person dies.