Tonight Arena takes a journey down one of the best known streets in the world. Sunset Boulevard stretches 27 miles from Los Angeles' Chinatown all the way to the ocean, a ride made famous by Philip Marlowe in the Chandler books. Film star mansions give way to tatty motels; exclusive offices stand alongside nightclubs with aspiring comics and amateur nude contests. Then the famous 'strip' and Hollywood's legendary coffee shop, Schwabs, where, they say, a girl in a tight sweater turned into Lana Turner.