A swiftly assembled musical fantasy movie made to capitalise on the mid-Sixties, British craze for gonks (a sort of soft, furry toy). Today it is of more interest for featuring music by such artists as Lulu, The Nashville Teens, and The Graham Bond Organisation.

In 1910, Hong Kong, under the rule of the British Empire, is a prosperous and bustling city, but, hidden in the shadows of its many narrow streets, the hideous members of the Red Dragon gang, a branch of the evil Chinese secret society of the Tongs, lurk and murder those who oppose to their tyranny, which thrives on vice, crime and the fear of the weakest.

A money-to-burn and girl-chasing Texas oilman, and a sensitive, dignified entomologist find themselves in charge of a brood of wild kids whose parents, both famous explorers, are reported lost while on an African safari.

A group of children establish their own zoo in the garden of a disused house, which proves to be the headquarters of a gang of crooks.