A British biologist seeks a rare blue mushroom in Tasmania's ancient Tarkine rainforest, revealing fungi's extraordinary abilities. Fungi may provide solutions to humanity's problems, with millions more species yet to be discovered.

Acclaimed British biologist, Dr. Merlin Sheldrake, is on a quest to find an incredibly precious blue mushroom, against the backdrop of Tasmania's ancient Tarkine rain forest. Merlin will show us some the grandest and strangest organisms ever discovered, showcased through jaw-dropping time-lapse cinematography, in a landscape largely unchanged from the time of the dinosaurs. Fungi have important lessons to teach humanity about survival through cooperation. Indeed, these incredible lifeforms may hold the key to solving some of humanity's most urgent problems. With millions more species to discover, our journey into the secret world of fungi has only just begun.