Cutter Murdock inherits an estate in Africa on which "Satan's Harvest" (heroin and marijuana) is grown. The thugs growing the drugs want him out of the way, so things get messy.

A detective agency gives a complex smuggling case to the seemingly absent-minded PI Boetie Flenters - never thinking he will solve it. Monica Terblanche (alias Hester Smith) is blackmailed to smuggle diamonds by Da Silva (aka Hennie Gous) and his accomplice. In return, she will receive the negative of an incriminating photo of her father. The investigation takes Boetie to the village of Geenfontein. When he bungles things he is fired and takes jobs as a bus conductor, hospital porter, lifeguard, lounge singer and plumber. Then he meets Hester, who explains her predicament, and they decide to work together.

Ricky and Maria, desperate for money, undertake an insurance fraud. After getting involved with a thug, it ends in tragedy.

The film's plot revolves around a rich playboy and an expert in coral who helps scientists to discover chunks of coral missing off the Mozambican coast