Jeff upsets colleague Thurston by inviting girlfriend Patricia on their latest, 'boys-only' investigation into a mysterious creature alleged to appear on Glendogie golf course. When Patricia is kidnapped by the hungry monster, Jeff has to turn to Thurston to help rescue his beloved from the crumbling caves beneath Glendogie. In the mayhem that ensues, Thurston realises that true-love really does conquer all.
