A bunch of ugly, tubby, nefarious middle-aged square mobsters threaten to take over a hoppin' Lone Star state teen nightspot, so the smart and resourceful kids hold an impromptu charity rock benefit concert to raise enough bread to save their beloved hangout from the greasy gangsters' vile clutches.

Rick Mason is the no-good lowdown rat who tries to capitalize on postwar patriotism and grief. He finagles a war widow into giving up her savings for a nonexistent memorial. When Mason falls in love with the widow he has pangs of conscience, but he reckons without his con-artist boss, who tends to bolster his arguments with muscle and bullets.

A college professor begins to suspect that a student's accidental death was tied to his refusal to take part in a traditional "hazing" and was no accident.