In near-future New York, ten years after the “social-democratic war of liberation,” diverse groups of women organize a feminist uprising as equality remains unfulfilled.
F.M. discovers that different sonic frequencies induce different patterns of behaviour in listeners, first in his own studio but later in the local "H-Burger" restaurant where the passive muzak appears to be wiping people's emotions.
A psychotic saxophone player lures victims to deserted spots with his music and then guns them down.