A young man visits his fiancé's estate to discover that her wheelchair-bound scientist father has discovered a meteorite that emits mutating radiation rays that have turned the plants in his greenhouse to giants. When his own wife falls victim to this mysterious power, the old man takes it upon himself to destroy the glowing object with disastrous results.
Die, Monster, Die! is a 1965 science fiction horror film directed by Daniel Haller, and starring Boris Karloff, Nick Adams, Freda Jackson and Suzan Farmer. A loose adaptation of H. P. Lovecraft's story "The Colour Out of Space", its plot follows an American man who, while visiting his English fiancee's familial estate, uncovers a series of bizarre occurrences.
