TV icon Aaron Spelling whips up a blend of crime, action and great guest stars in this 1970s series about private investigator Dan Tanna (Robert Urich), an ultra-smooth operator who always foils the criminals and charms the ladies in glamorous Las Vegas. Equally adept with a wisecrack and a fist, Tanna often works for hotel mogul Philip Roth (Tony Curtis) and protects both the locals who make Sin City tick and the tourists who drop their dough.