I predoni del fiume

After a series of ambushes on Athabasca Lake, set by the scumbag Joe Larkin and all very cleverly foiled, Tex and his pards, together with Gros-Jean and Marc Larouche, a river pirate who’s joined their group, get to the area of the penitentiary where Jim Brandon is locked up. But Jim’s not the type of guy to just sit around doing nothing, and having sensed that his life is in danger he too is excogitating a way of breaking out from his confinement...