Helen Crane, a beauty "men build dreams around," hires private eye Alo Nudger to find out what's troubling her lover Jake Dancer. Middle-aging, old-shoe Nudger tails Dancer and manages to save him from a couple of strong-arm men. Dancer, handsome, feckless, an alcoholic and compulsive gambler is vague about the money he owes, and Nudger learns that Helen, working for an "escort service," plans to move "up" to prostitution to help pay Dancer's debts...