Matango: Attack of the Mushroom People

After a yacht is damaged in a storm and stranded on a deserted island, the passengers: a psychologist, his girlfriend, a wealthy businessman, a famous singer, a writer, a sailor and his skipper take refuge in a fungus covered boat. While using the MUSHROOMS for sustenance, they find the ships journal describing the mushrooms to be poisonous, however some members of the shipwrecked party continue to ingest the mysterious fungi transforming them into hideous fungal monsters...