The US military is running a test for a special type of radio transmitter, to be used to communicate with submarines, in a deep system of underground caves in Central America. When the signal from one of the transmitters suddenly disappears, a team of soldiers led by Major Elbert Stevens and cave specialists led by Rupert 'Wolf' Wolfsen including scientist Leslie Peterson are sent in to find out what happened. Exploring deep underground, they stumble upon a tribe of albino cave-dwellers who have apparently been isolated from the rest of the world for thousands of years. The cave-dwellers are hurt by radio frequencies and are able to see in infra-red frequencies, tracking the explorers by their body heat.

After divorcing his ambitious singer wife, a middle-aged man begins a new relationship with a teacher.

Hard times have fallen on the Transylvanian House of Dracula. To help pay the taxes, Castle Dracula has been converted into the Hotel Transylvania. Dracula himself is aging and toothless, being cared for by his granddaughter Nocturna. When Nocturna books a disco group to play The Claret Room and winds up falling in love with one of the backup guitarists, a mortal named Jimmy, she notices that she is able to see her reflection when she dances, so she decides to follow Jimmy to New York in search of mortality.