Combining documentary footage and performance clips, the film traces the origins of Plume Latraverse's career and reveals, through his musicians, some of his hidden aspects. Filmed during the musician's show presented as part of Québec mer et monde 84. "With a look, a glance, a roar, Plume gives himself to the camera. Whole as Haddock, our Captain Harrock'n'Roll finally opens up." (Franco, Nuovo, 1985)