In this spoof of public-school educational films, young Mary Jane asks the question, "What is gravity?" After asking various (dysfunctional) family members without success, she then asks Dr. Waxman of the Karl LaFong Foundation for Gravitational Research (motto: "heads in the clouds and feet on the ground"), who explains that gravity is caused by a substance named GR12. Unfortunately, the world is running out of GR12. The cartoon character Jiminy Gravity then explains (in song) how we can conserve gravity with such practices as sitting on the floor and carrying helium balloons.
In Madrid, the orphan sisters Irene, Ana and Maite are raised by their austere aunt Paulina together with their mute and crippled grandmother after the death of their mother and their military father Anselmo.
Lionel Twain has invited the five greatest detectives to a "dinner and murder." How can they resist? Included are a blind butler, a deaf-mute maid, screams, spinning rooms, secret passages, false identities, and more plot turns and twists than are decently allowed.
When world heavyweight boxing champ Apollo Creed wants to give an unknown fighter a shot at the title as a publicity stunt, his handlers pick palooka Rocky Balboa, an uneducated collector for a Philadelphia loan shark.