The third leg of Carol's odyssey takes her on a journey from England to Turkey, to Italy and home again, discovering the intricate biology of the iris flower and its cultural significance to mankind over thousands of years. Carol takes a close-up look into the intimate relationship between bees and irises and, under the guidance of an evolutionary plant biologist, uses an endoscopic camera to reveal how an insect with UV vision sees each iris flower.Carol travels to mainland Europe, learning of the importance of some iris species in the funeral traditions of Islam and the use of irises in perfume manufacture in Florence. Discover how a 'beard' changed this beautiful flower's fortunes in horticulture, and why such a peculiar adaptation arose. In England, Carol meets with an iris enthusiast rebuilding the famed collection of Cedric Morris. She learns how the famous artwork of this painter extended beyond brush and canvas and into the realms of iris.