During an evening of babysitting, high-school student Jill Johnson is terrorized by a caller who keeps asking "Have you checked the children lately?" When she calls the police, they inform her that the calls are coming from inside the house.

After the death of his wife, police psychiatrist Cal Jamison moves to New York. There he has to help in the investigation of the murder of two youths, who seem to have been immolated during a cult ritual. Jamison believes it's been Voodoo and, ignoring the warnings of his housekeeper, enters the scenery and soon gets under their influence. They try to get him to sacrifice his own son.

tbw